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Finding the Fourth Proportional to 176,523.53, 243,658.19 and 112,861.58

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Solution

The fourth proportional to 176,523.53, 243,658.19 and 112,861.58 is: 155,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,523.53 : 243,658.19 = 112,861.58 : x
  2. Step 2: Convert to fraction form
    176,523.53/243,658.19 = 112,861.58/x
  3. Step 3: Cross multiply
    176,523.53x = 243,658.19 × 112,861.58
  4. Step 4: Simplify right side
    176,523.53x = 27,499,647,367.20
  5. Step 5: Solve for x
    x = 27,499,647,367.20/176,523.53
  6. Step 6: Final answer
    x = 155,784.60

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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.