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Finding the Fourth Proportional to 76,614.60, 114,921.90 and 37,248.60

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Solution

The fourth proportional to 76,614.60, 114,921.90 and 37,248.60 is: 55,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,614.60 : 114,921.90 = 37,248.60 : x
  2. Step 2: Convert to fraction form
    76,614.60/114,921.90 = 37,248.60/x
  3. Step 3: Cross multiply
    76,614.60x = 114,921.90 × 37,248.60
  4. Step 4: Simplify right side
    76,614.60x = 4,280,679,884.34
  5. Step 5: Solve for x
    x = 4,280,679,884.34/76,614.60
  6. Step 6: Final answer
    x = 55,872.90

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1.5x scale

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.