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Finding the Fourth Proportional to 113,347.92, 156,413.52 and 62,351.94

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Solution

The fourth proportional to 113,347.92, 156,413.52 and 62,351.94 is: 86,042.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,347.92 : 156,413.52 = 62,351.94 : x
  2. Step 2: Convert to fraction form
    113,347.92/156,413.52 = 62,351.94/x
  3. Step 3: Cross multiply
    113,347.92x = 156,413.52 × 62,351.94
  4. Step 4: Simplify right side
    113,347.92x = 9,752,686,414.23
  5. Step 5: Solve for x
    x = 9,752,686,414.23/113,347.92
  6. Step 6: Final answer
    x = 86,042.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.