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Finding the Fourth Proportional to 104,000.60, 143,520.84 and 56,253.92

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Solution

The fourth proportional to 104,000.60, 143,520.84 and 56,253.92 is: 77,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,000.60 : 143,520.84 = 56,253.92 : x
  2. Step 2: Convert to fraction form
    104,000.60/143,520.84 = 56,253.92/x
  3. Step 3: Cross multiply
    104,000.60x = 143,520.84 × 56,253.92
  4. Step 4: Simplify right side
    104,000.60x = 8,073,609,851.69
  5. Step 5: Solve for x
    x = 8,073,609,851.69/104,000.60
  6. Step 6: Final answer
    x = 77,630.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.