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Finding the Fourth Proportional to 173,882.60, 260,861.70 and 99,038.60

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Solution

The fourth proportional to 173,882.60, 260,861.70 and 99,038.60 is: 148,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,882.60 : 260,861.70 = 99,038.60 : x
  2. Step 2: Convert to fraction form
    173,882.60/260,861.70 = 99,038.60/x
  3. Step 3: Cross multiply
    173,882.60x = 260,861.70 × 99,038.60
  4. Step 4: Simplify right side
    173,882.60x = 25,835,377,561.62
  5. Step 5: Solve for x
    x = 25,835,377,561.62/173,882.60
  6. Step 6: Final answer
    x = 148,579.43

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1.5x scale

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.