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Finding the Fourth Proportional to 104,863.65, 144,700.91 and 62,413.89

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Solution

The fourth proportional to 104,863.65, 144,700.91 and 62,413.89 is: 86,124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,863.65 : 144,700.91 = 62,413.89 : x
  2. Step 2: Convert to fraction form
    104,863.65/144,700.91 = 62,413.89/x
  3. Step 3: Cross multiply
    104,863.65x = 144,700.91 × 62,413.89
  4. Step 4: Simplify right side
    104,863.65x = 9,031,346,367.57
  5. Step 5: Solve for x
    x = 9,031,346,367.57/104,863.65
  6. Step 6: Final answer
    x = 86,124.66

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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.