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Finding the Fourth Proportional to 173,358.10, 260,037.15 and 106,581.70

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Solution

The fourth proportional to 173,358.10, 260,037.15 and 106,581.70 is: 159,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,358.10 : 260,037.15 = 106,581.70 : x
  2. Step 2: Convert to fraction form
    173,358.10/260,037.15 = 106,581.70/x
  3. Step 3: Cross multiply
    173,358.10x = 260,037.15 × 106,581.70
  4. Step 4: Simplify right side
    173,358.10x = 27,715,201,510.16
  5. Step 5: Solve for x
    x = 27,715,201,510.16/173,358.10
  6. Step 6: Final answer
    x = 159,872.55

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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.