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Finding the Fourth Proportional to 77,176.59, 106,511.01 and 48,500.97

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Solution

The fourth proportional to 77,176.59, 106,511.01 and 48,500.97 is: 66,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,176.59 : 106,511.01 = 48,500.97 : x
  2. Step 2: Convert to fraction form
    77,176.59/106,511.01 = 48,500.97/x
  3. Step 3: Cross multiply
    77,176.59x = 106,511.01 × 48,500.97
  4. Step 4: Simplify right side
    77,176.59x = 5,165,887,300.68
  5. Step 5: Solve for x
    x = 5,165,887,300.68/77,176.59
  6. Step 6: Final answer
    x = 66,935.94

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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.