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Finding the Fourth Proportional to 176,523.40, 243,658.02 and 112,861.45

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Solution

The fourth proportional to 176,523.40, 243,658.02 and 112,861.45 is: 155,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,523.40 : 243,658.02 = 112,861.45 : x
  2. Step 2: Convert to fraction form
    176,523.40/243,658.02 = 112,861.45/x
  3. Step 3: Cross multiply
    176,523.40x = 243,658.02 × 112,861.45
  4. Step 4: Simplify right side
    176,523.40x = 27,499,597,441.33
  5. Step 5: Solve for x
    x = 27,499,597,441.33/176,523.40
  6. Step 6: Final answer
    x = 155,784.43

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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.