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Finding the Fourth Proportional to 354,170.40, 531,098.85 and 101,393.29

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Solution

The fourth proportional to 354,170.40, 531,098.85 and 101,393.29 is: 152,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,170.40 : 531,098.85 = 101,393.29 : x
  2. Step 2: Convert to fraction form
    354,170.40/531,098.85 = 101,393.29/x
  3. Step 3: Cross multiply
    354,170.40x = 531,098.85 × 101,393.29
  4. Step 4: Simplify right side
    354,170.40x = 53,849,859,716.72
  5. Step 5: Solve for x
    x = 53,849,859,716.72/354,170.40
  6. Step 6: Final answer
    x = 152,045.06

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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.