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Finding the Fourth Proportional to 80,874.45, 111,607.47 and 44,573.90

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Solution

The fourth proportional to 80,874.45, 111,607.47 and 44,573.90 is: 61,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,874.45 : 111,607.47 = 44,573.90 : x
  2. Step 2: Convert to fraction form
    80,874.45/111,607.47 = 44,573.90/x
  3. Step 3: Cross multiply
    80,874.45x = 111,607.47 × 44,573.90
  4. Step 4: Simplify right side
    80,874.45x = 4,974,779,649.00
  5. Step 5: Solve for x
    x = 4,974,779,649.00/80,874.45
  6. Step 6: Final answer
    x = 61,512.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.