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Finding the Fourth Proportional to 62,342.40, 93,513.60 and 25,406.40

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Solution

The fourth proportional to 62,342.40, 93,513.60 and 25,406.40 is: 38,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,342.40 : 93,513.60 = 25,406.40 : x
  2. Step 2: Convert to fraction form
    62,342.40/93,513.60 = 25,406.40/x
  3. Step 3: Cross multiply
    62,342.40x = 93,513.60 × 25,406.40
  4. Step 4: Simplify right side
    62,342.40x = 2,375,843,927.04
  5. Step 5: Solve for x
    x = 2,375,843,927.04/62,342.40
  6. Step 6: Final answer
    x = 38,109.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.