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Finding the Fourth Proportional to 215,560.74, 297,473.88 and 124,969.22

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Solution

The fourth proportional to 215,560.74, 297,473.88 and 124,969.22 is: 172,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,560.74 : 297,473.88 = 124,969.22 : x
  2. Step 2: Convert to fraction form
    215,560.74/297,473.88 = 124,969.22/x
  3. Step 3: Cross multiply
    215,560.74x = 297,473.88 × 124,969.22
  4. Step 4: Simplify right side
    215,560.74x = 37,175,078,753.97
  5. Step 5: Solve for x
    x = 37,175,078,753.97/215,560.74
  6. Step 6: Final answer
    x = 172,457.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.