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Finding the Fourth Proportional to 176,523.15, 243,657.68 and 112,861.20

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Solution

The fourth proportional to 176,523.15, 243,657.68 and 112,861.20 is: 155,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,523.15 : 243,657.68 = 112,861.20 : x
  2. Step 2: Convert to fraction form
    176,523.15/243,657.68 = 112,861.20/x
  3. Step 3: Cross multiply
    176,523.15x = 243,657.68 × 112,861.20
  4. Step 4: Simplify right side
    176,523.15x = 27,499,497,589.71
  5. Step 5: Solve for x
    x = 27,499,497,589.71/176,523.15
  6. Step 6: Final answer
    x = 155,784.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.