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Finding the Fourth Proportional to 170,065.70, 255,098.55 and 146,446.10

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Solution

The fourth proportional to 170,065.70, 255,098.55 and 146,446.10 is: 219,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,065.70 : 255,098.55 = 146,446.10 : x
  2. Step 2: Convert to fraction form
    170,065.70/255,098.55 = 146,446.10/x
  3. Step 3: Cross multiply
    170,065.70x = 255,098.55 × 146,446.10
  4. Step 4: Simplify right side
    170,065.70x = 37,358,187,763.16
  5. Step 5: Solve for x
    x = 37,358,187,763.16/170,065.70
  6. Step 6: Final answer
    x = 219,669.15

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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.