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Finding the Fourth Proportional to 103,878.67, 155,818.01 and 24,992.90

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Solution

The fourth proportional to 103,878.67, 155,818.01 and 24,992.90 is: 37,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,878.67 : 155,818.01 = 24,992.90 : x
  2. Step 2: Convert to fraction form
    103,878.67/155,818.01 = 24,992.90/x
  3. Step 3: Cross multiply
    103,878.67x = 155,818.01 × 24,992.90
  4. Step 4: Simplify right side
    103,878.67x = 3,894,343,942.13
  5. Step 5: Solve for x
    x = 3,894,343,942.13/103,878.67
  6. Step 6: Final answer
    x = 37,489.35

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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.