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Finding the Fourth Proportional to 175,240.80, 262,880.40 and 169,711.20

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Solution

The fourth proportional to 175,240.80, 262,880.40 and 169,711.20 is: 254,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,240.80 : 262,880.40 = 169,711.20 : x
  2. Step 2: Convert to fraction form
    175,240.80/262,880.40 = 169,711.20/x
  3. Step 3: Cross multiply
    175,240.80x = 262,880.40 × 169,711.20
  4. Step 4: Simplify right side
    175,240.80x = 44,613,748,140.48
  5. Step 5: Solve for x
    x = 44,613,748,140.48/175,240.80
  6. Step 6: Final answer
    x = 254,585.39

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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.