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Finding the Fourth Proportional to 88,287.66, 132,356.79 and 38,330.01

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Solution

The fourth proportional to 88,287.66, 132,356.79 and 38,330.01 is: 57,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,287.66 : 132,356.79 = 38,330.01 : x
  2. Step 2: Convert to fraction form
    88,287.66/132,356.79 = 38,330.01/x
  3. Step 3: Cross multiply
    88,287.66x = 132,356.79 × 38,330.01
  4. Step 4: Simplify right side
    88,287.66x = 5,073,237,084.27
  5. Step 5: Solve for x
    x = 5,073,237,084.27/88,287.66
  6. Step 6: Final answer
    x = 57,462.58

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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.