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Finding the Fourth Proportional to 502,108.26, 753,168.48 and 147,129.48

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Solution

The fourth proportional to 502,108.26, 753,168.48 and 147,129.48 is: 220,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,108.26 : 753,168.48 = 147,129.48 : x
  2. Step 2: Convert to fraction form
    502,108.26/753,168.48 = 147,129.48/x
  3. Step 3: Cross multiply
    502,108.26x = 753,168.48 × 147,129.48
  4. Step 4: Simplify right side
    502,108.26x = 110,813,286,814.79
  5. Step 5: Solve for x
    x = 110,813,286,814.79/502,108.26
  6. Step 6: Final answer
    x = 220,696.00

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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.