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Finding the Fourth Proportional to 175,345.20, 245,638.80 and 175,345.20

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Solution

The fourth proportional to 175,345.20, 245,638.80 and 175,345.20 is: 245,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,345.20 : 245,638.80 = 175,345.20 : x
  2. Step 2: Convert to fraction form
    175,345.20/245,638.80 = 175,345.20/x
  3. Step 3: Cross multiply
    175,345.20x = 245,638.80 × 175,345.20
  4. Step 4: Simplify right side
    175,345.20x = 43,071,584,513.76
  5. Step 5: Solve for x
    x = 43,071,584,513.76/175,345.20
  6. Step 6: Final answer
    x = 245,638.80

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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.