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Finding the Fourth Proportional to 92,013.95, 138,020.95 and 28,834.06

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Solution

The fourth proportional to 92,013.95, 138,020.95 and 28,834.06 is: 43,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,013.95 : 138,020.95 = 28,834.06 : x
  2. Step 2: Convert to fraction form
    92,013.95/138,020.95 = 28,834.06/x
  3. Step 3: Cross multiply
    92,013.95x = 138,020.95 × 28,834.06
  4. Step 4: Simplify right side
    92,013.95x = 3,979,704,209.39
  5. Step 5: Solve for x
    x = 3,979,704,209.39/92,013.95
  6. Step 6: Final answer
    x = 43,251.10

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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.