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Finding the Fourth Proportional to 144,413.52, 216,657.30 and 60,145.68

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Solution

The fourth proportional to 144,413.52, 216,657.30 and 60,145.68 is: 90,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,413.52 : 216,657.30 = 60,145.68 : x
  2. Step 2: Convert to fraction form
    144,413.52/216,657.30 = 60,145.68/x
  3. Step 3: Cross multiply
    144,413.52x = 216,657.30 × 60,145.68
  4. Step 4: Simplify right side
    144,413.52x = 13,031,000,635.46
  5. Step 5: Solve for x
    x = 13,031,000,635.46/144,413.52
  6. Step 6: Final answer
    x = 90,233.94

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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.