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Finding the Fourth Proportional to 176,382.92, 243,395.88 and 99,909.74

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Solution

The fourth proportional to 176,382.92, 243,395.88 and 99,909.74 is: 137,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,382.92 : 243,395.88 = 99,909.74 : x
  2. Step 2: Convert to fraction form
    176,382.92/243,395.88 = 99,909.74/x
  3. Step 3: Cross multiply
    176,382.92x = 243,395.88 × 99,909.74
  4. Step 4: Simplify right side
    176,382.92x = 24,317,619,087.87
  5. Step 5: Solve for x
    x = 24,317,619,087.87/176,382.92
  6. Step 6: Final answer
    x = 137,868.33

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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.