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Finding the Fourth Proportional to 126,471.04, 174,486.72 and 73,479.04

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Solution

The fourth proportional to 126,471.04, 174,486.72 and 73,479.04 is: 101,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,471.04 : 174,486.72 = 73,479.04 : x
  2. Step 2: Convert to fraction form
    126,471.04/174,486.72 = 73,479.04/x
  3. Step 3: Cross multiply
    126,471.04x = 174,486.72 × 73,479.04
  4. Step 4: Simplify right side
    126,471.04x = 12,821,116,678.35
  5. Step 5: Solve for x
    x = 12,821,116,678.35/126,471.04
  6. Step 6: Final answer
    x = 101,375.91

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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.