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Finding the Fourth Proportional to 250,041.60, 375,098.88 and 72,549.60

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Solution

The fourth proportional to 250,041.60, 375,098.88 and 72,549.60 is: 108,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,041.60 : 375,098.88 = 72,549.60 : x
  2. Step 2: Convert to fraction form
    250,041.60/375,098.88 = 72,549.60/x
  3. Step 3: Cross multiply
    250,041.60x = 375,098.88 × 72,549.60
  4. Step 4: Simplify right side
    250,041.60x = 27,213,273,704.45
  5. Step 5: Solve for x
    x = 27,213,273,704.45/250,041.60
  6. Step 6: Final answer
    x = 108,834.98

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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.