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Finding the Fourth Proportional to 215,673.46, 297,630.55 and 125,083.14

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Solution

The fourth proportional to 215,673.46, 297,630.55 and 125,083.14 is: 172,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,673.46 : 297,630.55 = 125,083.14 : x
  2. Step 2: Convert to fraction form
    215,673.46/297,630.55 = 125,083.14/x
  3. Step 3: Cross multiply
    215,673.46x = 297,630.55 × 125,083.14
  4. Step 4: Simplify right side
    215,673.46x = 37,228,563,753.93
  5. Step 5: Solve for x
    x = 37,228,563,753.93/215,673.46
  6. Step 6: Final answer
    x = 172,615.41

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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.