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Finding the Fourth Proportional to 77,666.69, 116,500.32 and 23,631.91

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Solution

The fourth proportional to 77,666.69, 116,500.32 and 23,631.91 is: 35,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,666.69 : 116,500.32 = 23,631.91 : x
  2. Step 2: Convert to fraction form
    77,666.69/116,500.32 = 23,631.91/x
  3. Step 3: Cross multiply
    77,666.69x = 116,500.32 × 23,631.91
  4. Step 4: Simplify right side
    77,666.69x = 2,753,125,077.21
  5. Step 5: Solve for x
    x = 2,753,125,077.21/77,666.69
  6. Step 6: Final answer
    x = 35,447.95

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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.