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Finding the Fourth Proportional to 356,984.76, 536,002.02 and 147,032.76

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Solution

The fourth proportional to 356,984.76, 536,002.02 and 147,032.76 is: 220,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,984.76 : 536,002.02 = 147,032.76 : x
  2. Step 2: Convert to fraction form
    356,984.76/536,002.02 = 147,032.76/x
  3. Step 3: Cross multiply
    356,984.76x = 536,002.02 × 147,032.76
  4. Step 4: Simplify right side
    356,984.76x = 78,809,856,366.18
  5. Step 5: Solve for x
    x = 78,809,856,366.18/356,984.76
  6. Step 6: Final answer
    x = 220,765.32

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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.