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Finding the Fourth Proportional to 176,425.29, 243,505.40 and 108,500.70

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Solution

The fourth proportional to 176,425.29, 243,505.40 and 108,500.70 is: 149,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,425.29 : 243,505.40 = 108,500.70 : x
  2. Step 2: Convert to fraction form
    176,425.29/243,505.40 = 108,500.70/x
  3. Step 3: Cross multiply
    176,425.29x = 243,505.40 × 108,500.70
  4. Step 4: Simplify right side
    176,425.29x = 26,420,505,811.28
  5. Step 5: Solve for x
    x = 26,420,505,811.28/176,425.29
  6. Step 6: Final answer
    x = 149,754.64

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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.