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Finding the Fourth Proportional to 170,007,580.20, 238,464,108.60 and 170,007,580.20

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Solution

The fourth proportional to 170,007,580.20, 238,464,108.60 and 170,007,580.20 is: 238,464,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,007,580.20 : 238,464,108.60 = 170,007,580.20 : x
  2. Step 2: Convert to fraction form
    170,007,580.20/238,464,108.60 = 170,007,580.20/x
  3. Step 3: Cross multiply
    170,007,580.20x = 238,464,108.60 × 170,007,580.20
  4. Step 4: Simplify right side
    170,007,580.20x = 40,540,706,067,636,008
  5. Step 5: Solve for x
    x = 40,540,706,067,636,008/170,007,580.20
  6. Step 6: Final answer
    x = 238,464,108.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.