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Finding the Fourth Proportional to 82,239.76, 113,491.84 and 48,248.84

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Solution

The fourth proportional to 82,239.76, 113,491.84 and 48,248.84 is: 66,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,239.76 : 113,491.84 = 48,248.84 : x
  2. Step 2: Convert to fraction form
    82,239.76/113,491.84 = 48,248.84/x
  3. Step 3: Cross multiply
    82,239.76x = 113,491.84 × 48,248.84
  4. Step 4: Simplify right side
    82,239.76x = 5,475,849,629.47
  5. Step 5: Solve for x
    x = 5,475,849,629.47/82,239.76
  6. Step 6: Final answer
    x = 66,583.97

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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.