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Finding the Fourth Proportional to 83,294.61, 124,941.82 and 27,134.63

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Solution

The fourth proportional to 83,294.61, 124,941.82 and 27,134.63 is: 40,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,294.61 : 124,941.82 = 27,134.63 : x
  2. Step 2: Convert to fraction form
    83,294.61/124,941.82 = 27,134.63/x
  3. Step 3: Cross multiply
    83,294.61x = 124,941.82 × 27,134.63
  4. Step 4: Simplify right side
    83,294.61x = 3,390,249,921.55
  5. Step 5: Solve for x
    x = 3,390,249,921.55/83,294.61
  6. Step 6: Final answer
    x = 40,701.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.