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Finding the Fourth Proportional to 92,105.55, 138,158.33 and 92,105.55

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Solution

The fourth proportional to 92,105.55, 138,158.33 and 92,105.55 is: 138,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,105.55 : 138,158.33 = 92,105.55 : x
  2. Step 2: Convert to fraction form
    92,105.55/138,158.33 = 92,105.55/x
  3. Step 3: Cross multiply
    92,105.55x = 138,158.33 × 92,105.55
  4. Step 4: Simplify right side
    92,105.55x = 12,725,148,511.20
  5. Step 5: Solve for x
    x = 12,725,148,511.20/92,105.55
  6. Step 6: Final answer
    x = 138,158.33

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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.