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Finding the Fourth Proportional to 177,639.43, 266,448.21 and 59,300.86

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Solution

The fourth proportional to 177,639.43, 266,448.21 and 59,300.86 is: 88,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,639.43 : 266,448.21 = 59,300.86 : x
  2. Step 2: Convert to fraction form
    177,639.43/266,448.21 = 59,300.86/x
  3. Step 3: Cross multiply
    177,639.43x = 266,448.21 × 59,300.86
  4. Step 4: Simplify right side
    177,639.43x = 15,800,607,998.46
  5. Step 5: Solve for x
    x = 15,800,607,998.46/177,639.43
  6. Step 6: Final answer
    x = 88,947.64

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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.