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Finding the Fourth Proportional to 142,404.60, 213,606.90 and 37,234.20

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Solution

The fourth proportional to 142,404.60, 213,606.90 and 37,234.20 is: 55,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,404.60 : 213,606.90 = 37,234.20 : x
  2. Step 2: Convert to fraction form
    142,404.60/213,606.90 = 37,234.20/x
  3. Step 3: Cross multiply
    142,404.60x = 213,606.90 × 37,234.20
  4. Step 4: Simplify right side
    142,404.60x = 7,953,482,035.98
  5. Step 5: Solve for x
    x = 7,953,482,035.98/142,404.60
  6. Step 6: Final answer
    x = 55,851.30

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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.