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Finding the Fourth Proportional to 168,135.40, 252,203.10 and 62,948.80

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Solution

The fourth proportional to 168,135.40, 252,203.10 and 62,948.80 is: 94,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,135.40 : 252,203.10 = 62,948.80 : x
  2. Step 2: Convert to fraction form
    168,135.40/252,203.10 = 62,948.80/x
  3. Step 3: Cross multiply
    168,135.40x = 252,203.10 × 62,948.80
  4. Step 4: Simplify right side
    168,135.40x = 15,875,882,501.28
  5. Step 5: Solve for x
    x = 15,875,882,501.28/168,135.40
  6. Step 6: Final answer
    x = 94,423.20

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1.5x scale

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.