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Finding the Fourth Proportional to 170,158.86, 255,275.19 and 51,827.10

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Solution

The fourth proportional to 170,158.86, 255,275.19 and 51,827.10 is: 77,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,158.86 : 255,275.19 = 51,827.10 : x
  2. Step 2: Convert to fraction form
    170,158.86/255,275.19 = 51,827.10/x
  3. Step 3: Cross multiply
    170,158.86x = 255,275.19 × 51,827.10
  4. Step 4: Simplify right side
    170,158.86x = 13,230,172,799.65
  5. Step 5: Solve for x
    x = 13,230,172,799.65/170,158.86
  6. Step 6: Final answer
    x = 77,751.89

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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.