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Finding the Fourth Proportional to 215,557.74, 297,469.74 and 124,966.22

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Solution

The fourth proportional to 215,557.74, 297,469.74 and 124,966.22 is: 172,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,557.74 : 297,469.74 = 124,966.22 : x
  2. Step 2: Convert to fraction form
    215,557.74/297,469.74 = 124,966.22/x
  3. Step 3: Cross multiply
    215,557.74x = 297,469.74 × 124,966.22
  4. Step 4: Simplify right side
    215,557.74x = 37,173,668,972.18
  5. Step 5: Solve for x
    x = 37,173,668,972.18/215,557.74
  6. Step 6: Final answer
    x = 172,453.42

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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.