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Finding the Fourth Proportional to 502,099.58, 753,149.22 and 147,113.50

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Solution

The fourth proportional to 502,099.58, 753,149.22 and 147,113.50 is: 220,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,099.58 : 753,149.22 = 147,113.50 : x
  2. Step 2: Convert to fraction form
    502,099.58/753,149.22 = 147,113.50/x
  3. Step 3: Cross multiply
    502,099.58x = 753,149.22 × 147,113.50
  4. Step 4: Simplify right side
    502,099.58x = 110,798,417,776.47
  5. Step 5: Solve for x
    x = 110,798,417,776.47/502,099.58
  6. Step 6: Final answer
    x = 220,670.21

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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.