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Finding the Fourth Proportional to 126,897.93, 175,134.69 and 73,182.93

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Solution

The fourth proportional to 126,897.93, 175,134.69 and 73,182.93 is: 101,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,897.93 : 175,134.69 = 73,182.93 : x
  2. Step 2: Convert to fraction form
    126,897.93/175,134.69 = 73,182.93/x
  3. Step 3: Cross multiply
    126,897.93x = 175,134.69 × 73,182.93
  4. Step 4: Simplify right side
    126,897.93x = 12,816,869,758.84
  5. Step 5: Solve for x
    x = 12,816,869,758.84/126,897.93
  6. Step 6: Final answer
    x = 101,001.41

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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.