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Finding the Fourth Proportional to 174,082.88, 240,253.80 and 102,480.56

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Solution

The fourth proportional to 174,082.88, 240,253.80 and 102,480.56 is: 141,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,082.88 : 240,253.80 = 102,480.56 : x
  2. Step 2: Convert to fraction form
    174,082.88/240,253.80 = 102,480.56/x
  3. Step 3: Cross multiply
    174,082.88x = 240,253.80 × 102,480.56
  4. Step 4: Simplify right side
    174,082.88x = 24,621,343,966.13
  5. Step 5: Solve for x
    x = 24,621,343,966.13/174,082.88
  6. Step 6: Final answer
    x = 141,434.61

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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.