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Finding the Fourth Proportional to 73,120.58, 109,680.90 and 26,373.45

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Solution

The fourth proportional to 73,120.58, 109,680.90 and 26,373.45 is: 39,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,120.58 : 109,680.90 = 26,373.45 : x
  2. Step 2: Convert to fraction form
    73,120.58/109,680.90 = 26,373.45/x
  3. Step 3: Cross multiply
    73,120.58x = 109,680.90 × 26,373.45
  4. Step 4: Simplify right side
    73,120.58x = 2,892,663,732.11
  5. Step 5: Solve for x
    x = 2,892,663,732.11/73,120.58
  6. Step 6: Final answer
    x = 39,560.19

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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.