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Finding the Fourth Proportional to 117,472.80, 176,236.56 and 34,373.28

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Solution

The fourth proportional to 117,472.80, 176,236.56 and 34,373.28 is: 51,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,472.80 : 176,236.56 = 34,373.28 : x
  2. Step 2: Convert to fraction form
    117,472.80/176,236.56 = 34,373.28/x
  3. Step 3: Cross multiply
    117,472.80x = 176,236.56 × 34,373.28
  4. Step 4: Simplify right side
    117,472.80x = 6,057,828,623.12
  5. Step 5: Solve for x
    x = 6,057,828,623.12/117,472.80
  6. Step 6: Final answer
    x = 51,567.93

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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.