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Finding the Fourth Proportional to 177,901.40, 266,829.06 and 67,079

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Solution

The fourth proportional to 177,901.40, 266,829.06 and 67,079 is: 100,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,901.40 : 266,829.06 = 67,079 : x
  2. Step 2: Convert to fraction form
    177,901.40/266,829.06 = 67,079/x
  3. Step 3: Cross multiply
    177,901.40x = 266,829.06 × 67,079
  4. Step 4: Simplify right side
    177,901.40x = 17,898,626,515.74
  5. Step 5: Solve for x
    x = 17,898,626,515.74/177,901.40
  6. Step 6: Final answer
    x = 100,609.81

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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.