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Finding the Fourth Proportional to 227,607.60, 341,411.40 and 156,748.80

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Solution

The fourth proportional to 227,607.60, 341,411.40 and 156,748.80 is: 235,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,607.60 : 341,411.40 = 156,748.80 : x
  2. Step 2: Convert to fraction form
    227,607.60/341,411.40 = 156,748.80/x
  3. Step 3: Cross multiply
    227,607.60x = 341,411.40 × 156,748.80
  4. Step 4: Simplify right side
    227,607.60x = 53,515,827,256.32
  5. Step 5: Solve for x
    x = 53,515,827,256.32/227,607.60
  6. Step 6: Final answer
    x = 235,123.20

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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.