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Finding the Fourth Proportional to 452,551.60, 678,861.42 and 137,033.92

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Solution

The fourth proportional to 452,551.60, 678,861.42 and 137,033.92 is: 205,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,551.60 : 678,861.42 = 137,033.92 : x
  2. Step 2: Convert to fraction form
    452,551.60/678,861.42 = 137,033.92/x
  3. Step 3: Cross multiply
    452,551.60x = 678,861.42 × 137,033.92
  4. Step 4: Simplify right side
    452,551.60x = 93,027,041,519.37
  5. Step 5: Solve for x
    x = 93,027,041,519.37/452,551.60
  6. Step 6: Final answer
    x = 205,561.18

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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.