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Finding the Fourth Proportional to 502,112.01, 753,174.11 and 147,133.23

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Solution

The fourth proportional to 502,112.01, 753,174.11 and 147,133.23 is: 220,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,112.01 : 753,174.11 = 147,133.23 : x
  2. Step 2: Convert to fraction form
    502,112.01/753,174.11 = 147,133.23/x
  3. Step 3: Cross multiply
    502,112.01x = 753,174.11 × 147,133.23
  4. Step 4: Simplify right side
    502,112.01x = 110,816,938,821.01
  5. Step 5: Solve for x
    x = 110,816,938,821.01/502,112.01
  6. Step 6: Final answer
    x = 220,701.63

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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.