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Finding the Fourth Proportional to 162,909.80, 244,364.70 and 100,701.80

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Solution

The fourth proportional to 162,909.80, 244,364.70 and 100,701.80 is: 151,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,909.80 : 244,364.70 = 100,701.80 : x
  2. Step 2: Convert to fraction form
    162,909.80/244,364.70 = 100,701.80/x
  3. Step 3: Cross multiply
    162,909.80x = 244,364.70 × 100,701.80
  4. Step 4: Simplify right side
    162,909.80x = 24,607,965,146.46
  5. Step 5: Solve for x
    x = 24,607,965,146.46/162,909.80
  6. Step 6: Final answer
    x = 151,052.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.