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Finding the Fourth Proportional to 124,042.40, 168,010.20 and 124,042.40

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Solution

The fourth proportional to 124,042.40, 168,010.20 and 124,042.40 is: 168,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,042.40 : 168,010.20 = 124,042.40 : x
  2. Step 2: Convert to fraction form
    124,042.40/168,010.20 = 124,042.40/x
  3. Step 3: Cross multiply
    124,042.40x = 168,010.20 × 124,042.40
  4. Step 4: Simplify right side
    124,042.40x = 20,840,388,432.48
  5. Step 5: Solve for x
    x = 20,840,388,432.48/124,042.40
  6. Step 6: Final answer
    x = 168,010.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.