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Finding the Fourth Proportional to 175,260.80, 262,545.60 and 104,931.20

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Solution

The fourth proportional to 175,260.80, 262,545.60 and 104,931.20 is: 157,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,260.80 : 262,545.60 = 104,931.20 : x
  2. Step 2: Convert to fraction form
    175,260.80/262,545.60 = 104,931.20/x
  3. Step 3: Cross multiply
    175,260.80x = 262,545.60 × 104,931.20
  4. Step 4: Simplify right side
    175,260.80x = 27,549,224,862.72
  5. Step 5: Solve for x
    x = 27,549,224,862.72/175,260.80
  6. Step 6: Final answer
    x = 157,189.88

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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.