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Finding the Fourth Proportional to 104,681.92, 144,413.40 and 62,216.32

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Solution

The fourth proportional to 104,681.92, 144,413.40 and 62,216.32 is: 85,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,681.92 : 144,413.40 = 62,216.32 : x
  2. Step 2: Convert to fraction form
    104,681.92/144,413.40 = 62,216.32/x
  3. Step 3: Cross multiply
    104,681.92x = 144,413.40 × 62,216.32
  4. Step 4: Simplify right side
    104,681.92x = 8,984,870,306.69
  5. Step 5: Solve for x
    x = 8,984,870,306.69/104,681.92
  6. Step 6: Final answer
    x = 85,830.20

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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.