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Finding the Fourth Proportional to 92,378.55, 138,512.43 and 44,900.13

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Solution

The fourth proportional to 92,378.55, 138,512.43 and 44,900.13 is: 67,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,378.55 : 138,512.43 = 44,900.13 : x
  2. Step 2: Convert to fraction form
    92,378.55/138,512.43 = 44,900.13/x
  3. Step 3: Cross multiply
    92,378.55x = 138,512.43 × 44,900.13
  4. Step 4: Simplify right side
    92,378.55x = 6,219,226,113.62
  5. Step 5: Solve for x
    x = 6,219,226,113.62/92,378.55
  6. Step 6: Final answer
    x = 67,323.27

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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.