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Finding the Fourth Proportional to 459,777.96, 689,754.42 and 144,150.12

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Solution

The fourth proportional to 459,777.96, 689,754.42 and 144,150.12 is: 216,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,777.96 : 689,754.42 = 144,150.12 : x
  2. Step 2: Convert to fraction form
    459,777.96/689,754.42 = 144,150.12/x
  3. Step 3: Cross multiply
    459,777.96x = 689,754.42 × 144,150.12
  4. Step 4: Simplify right side
    459,777.96x = 99,428,182,413.53
  5. Step 5: Solve for x
    x = 99,428,182,413.53/459,777.96
  6. Step 6: Final answer
    x = 216,252.61

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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.