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Finding the Fourth Proportional to 92,282.10, 138,423.15 and 92,282.10

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Solution

The fourth proportional to 92,282.10, 138,423.15 and 92,282.10 is: 138,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,282.10 : 138,423.15 = 92,282.10 : x
  2. Step 2: Convert to fraction form
    92,282.10/138,423.15 = 92,282.10/x
  3. Step 3: Cross multiply
    92,282.10x = 138,423.15 × 92,282.10
  4. Step 4: Simplify right side
    92,282.10x = 12,773,978,970.62
  5. Step 5: Solve for x
    x = 12,773,978,970.62/92,282.10
  6. Step 6: Final answer
    x = 138,423.15

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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.