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Finding the Fourth Proportional to 170,149, 255,340.38 and 59,341

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Solution

The fourth proportional to 170,149, 255,340.38 and 59,341 is: 89,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,149 : 255,340.38 = 59,341 : x
  2. Step 2: Convert to fraction form
    170,149/255,340.38 = 59,341/x
  3. Step 3: Cross multiply
    170,149x = 255,340.38 × 59,341
  4. Step 4: Simplify right side
    170,149x = 15,152,153,489.58
  5. Step 5: Solve for x
    x = 15,152,153,489.58/170,149
  6. Step 6: Final answer
    x = 89,052.26

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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.