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Finding the Fourth Proportional to 212,875.89, 293,658.79 and 132,272.79

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Solution

The fourth proportional to 212,875.89, 293,658.79 and 132,272.79 is: 182,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,875.89 : 293,658.79 = 132,272.79 : x
  2. Step 2: Convert to fraction form
    212,875.89/293,658.79 = 132,272.79/x
  3. Step 3: Cross multiply
    212,875.89x = 293,658.79 × 132,272.79
  4. Step 4: Simplify right side
    212,875.89x = 38,843,067,461.32
  5. Step 5: Solve for x
    x = 38,843,067,461.32/212,875.89
  6. Step 6: Final answer
    x = 182,468.14

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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.