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Finding the Fourth Proportional to 215,549.56, 297,497.46 and 124,963.48

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Solution

The fourth proportional to 215,549.56, 297,497.46 and 124,963.48 is: 172,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,549.56 : 297,497.46 = 124,963.48 : x
  2. Step 2: Convert to fraction form
    215,549.56/297,497.46 = 124,963.48/x
  3. Step 3: Cross multiply
    215,549.56x = 297,497.46 × 124,963.48
  4. Step 4: Simplify right side
    215,549.56x = 37,176,317,892.76
  5. Step 5: Solve for x
    x = 37,176,317,892.76/215,549.56
  6. Step 6: Final answer
    x = 172,472.25

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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.