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Finding the Fourth Proportional to 170,007,649.20, 238,464,205.20 and 170,007,649.20

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Solution

The fourth proportional to 170,007,649.20, 238,464,205.20 and 170,007,649.20 is: 238,464,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,007,649.20 : 238,464,205.20 = 170,007,649.20 : x
  2. Step 2: Convert to fraction form
    170,007,649.20/238,464,205.20 = 170,007,649.20/x
  3. Step 3: Cross multiply
    170,007,649.20x = 238,464,205.20 × 170,007,649.20
  4. Step 4: Simplify right side
    170,007,649.20x = 40,540,738,944,398,408
  5. Step 5: Solve for x
    x = 40,540,738,944,398,408/170,007,649.20
  6. Step 6: Final answer
    x = 238,464,205.20

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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.