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Finding the Fourth Proportional to 160,490.96, 240,593.67 and 76,199.12

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Solution

The fourth proportional to 160,490.96, 240,593.67 and 76,199.12 is: 114,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,490.96 : 240,593.67 = 76,199.12 : x
  2. Step 2: Convert to fraction form
    160,490.96/240,593.67 = 76,199.12/x
  3. Step 3: Cross multiply
    160,490.96x = 240,593.67 × 76,199.12
  4. Step 4: Simplify right side
    160,490.96x = 18,333,024,728.60
  5. Step 5: Solve for x
    x = 18,333,024,728.60/160,490.96
  6. Step 6: Final answer
    x = 114,230.89

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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.