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Finding the Fourth Proportional to 117,281.66, 175,905.47 and 38,399.00

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Solution

The fourth proportional to 117,281.66, 175,905.47 and 38,399.00 is: 57,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,281.66 : 175,905.47 = 38,399.00 : x
  2. Step 2: Convert to fraction form
    117,281.66/175,905.47 = 38,399.00/x
  3. Step 3: Cross multiply
    117,281.66x = 175,905.47 × 38,399.00
  4. Step 4: Simplify right side
    117,281.66x = 6,754,593,359.00
  5. Step 5: Solve for x
    x = 6,754,593,359.00/117,281.66
  6. Step 6: Final answer
    x = 57,592.92

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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.