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Finding the Fourth Proportional to 80,010.96, 119,884.68 and 51,929.52

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Solution

The fourth proportional to 80,010.96, 119,884.68 and 51,929.52 is: 77,808.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,010.96 : 119,884.68 = 51,929.52 : x
  2. Step 2: Convert to fraction form
    80,010.96/119,884.68 = 51,929.52/x
  3. Step 3: Cross multiply
    80,010.96x = 119,884.68 × 51,929.52
  4. Step 4: Simplify right side
    80,010.96x = 6,225,553,887.75
  5. Step 5: Solve for x
    x = 6,225,553,887.75/80,010.96
  6. Step 6: Final answer
    x = 77,808.76

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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.