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Finding the Fourth Proportional to 291,384.50, 437,132.12 and 101,898.73

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Solution

The fourth proportional to 291,384.50, 437,132.12 and 101,898.73 is: 152,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,384.50 : 437,132.12 = 101,898.73 : x
  2. Step 2: Convert to fraction form
    291,384.50/437,132.12 = 101,898.73/x
  3. Step 3: Cross multiply
    291,384.50x = 437,132.12 × 101,898.73
  4. Step 4: Simplify right side
    291,384.50x = 44,543,206,267.88
  5. Step 5: Solve for x
    x = 44,543,206,267.88/291,384.50
  6. Step 6: Final answer
    x = 152,867.45

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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.