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Finding the Fourth Proportional to 176,677.80, 243,821.70 and 101,240.88

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Solution

The fourth proportional to 176,677.80, 243,821.70 and 101,240.88 is: 139,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,677.80 : 243,821.70 = 101,240.88 : x
  2. Step 2: Convert to fraction form
    176,677.80/243,821.70 = 101,240.88/x
  3. Step 3: Cross multiply
    176,677.80x = 243,821.70 × 101,240.88
  4. Step 4: Simplify right side
    176,677.80x = 24,684,723,471.10
  5. Step 5: Solve for x
    x = 24,684,723,471.10/176,677.80
  6. Step 6: Final answer
    x = 139,716.05

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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.