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Finding the Fourth Proportional to 173,885.80, 260,861.10 and 55,590.70

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Solution

The fourth proportional to 173,885.80, 260,861.10 and 55,590.70 is: 83,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,885.80 : 260,861.10 = 55,590.70 : x
  2. Step 2: Convert to fraction form
    173,885.80/260,861.10 = 55,590.70/x
  3. Step 3: Cross multiply
    173,885.80x = 260,861.10 × 55,590.70
  4. Step 4: Simplify right side
    173,885.80x = 14,501,451,151.77
  5. Step 5: Solve for x
    x = 14,501,451,151.77/173,885.80
  6. Step 6: Final answer
    x = 83,396.41

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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.