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Finding the Fourth Proportional to 170,834.88, 256,074 and 58,482

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Solution

The fourth proportional to 170,834.88, 256,074 and 58,482 is: 87,661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,834.88 : 256,074 = 58,482 : x
  2. Step 2: Convert to fraction form
    170,834.88/256,074 = 58,482/x
  3. Step 3: Cross multiply
    170,834.88x = 256,074 × 58,482
  4. Step 4: Simplify right side
    170,834.88x = 14,975,719,668
  5. Step 5: Solve for x
    x = 14,975,719,668/170,834.88
  6. Step 6: Final answer
    x = 87,661.96

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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.