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Finding the Fourth Proportional to 133,230.99, 199,821.98 and 58,337.18

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Solution

The fourth proportional to 133,230.99, 199,821.98 and 58,337.18 is: 87,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,230.99 : 199,821.98 = 58,337.18 : x
  2. Step 2: Convert to fraction form
    133,230.99/199,821.98 = 58,337.18/x
  3. Step 3: Cross multiply
    133,230.99x = 199,821.98 × 58,337.18
  4. Step 4: Simplify right side
    133,230.99x = 11,657,050,711.28
  5. Step 5: Solve for x
    x = 11,657,050,711.28/133,230.99
  6. Step 6: Final answer
    x = 87,495.04

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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.