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Finding the Fourth Proportional to 77,927.87, 116,891.81 and 62,443.91

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Solution

The fourth proportional to 77,927.87, 116,891.81 and 62,443.91 is: 93,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,927.87 : 116,891.81 = 62,443.91 : x
  2. Step 2: Convert to fraction form
    77,927.87/116,891.81 = 62,443.91/x
  3. Step 3: Cross multiply
    77,927.87x = 116,891.81 × 62,443.91
  4. Step 4: Simplify right side
    77,927.87x = 7,299,181,877.55
  5. Step 5: Solve for x
    x = 7,299,181,877.55/77,927.87
  6. Step 6: Final answer
    x = 93,665.87

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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.