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Finding the Fourth Proportional to 170,150, 255,341.88 and 59,342

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Solution

The fourth proportional to 170,150, 255,341.88 and 59,342 is: 89,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,150 : 255,341.88 = 59,342 : x
  2. Step 2: Convert to fraction form
    170,150/255,341.88 = 59,342/x
  3. Step 3: Cross multiply
    170,150x = 255,341.88 × 59,342
  4. Step 4: Simplify right side
    170,150x = 15,152,497,842.96
  5. Step 5: Solve for x
    x = 15,152,497,842.96/170,150
  6. Step 6: Final answer
    x = 89,053.76

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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.