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Finding the Fourth Proportional to 243,010.80, 364,516.20 and 124,694.10

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Solution

The fourth proportional to 243,010.80, 364,516.20 and 124,694.10 is: 187,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,010.80 : 364,516.20 = 124,694.10 : x
  2. Step 2: Convert to fraction form
    243,010.80/364,516.20 = 124,694.10/x
  3. Step 3: Cross multiply
    243,010.80x = 364,516.20 × 124,694.10
  4. Step 4: Simplify right side
    243,010.80x = 45,453,019,494.42
  5. Step 5: Solve for x
    x = 45,453,019,494.42/243,010.80
  6. Step 6: Final answer
    x = 187,041.15

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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.