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Finding the Fourth Proportional to 172,367.33, 237,670.76 and 121,363.74

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Solution

The fourth proportional to 172,367.33, 237,670.76 and 121,363.74 is: 167,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,367.33 : 237,670.76 = 121,363.74 : x
  2. Step 2: Convert to fraction form
    172,367.33/237,670.76 = 121,363.74/x
  3. Step 3: Cross multiply
    172,367.33x = 237,670.76 × 121,363.74
  4. Step 4: Simplify right side
    172,367.33x = 28,844,612,625.65
  5. Step 5: Solve for x
    x = 28,844,612,625.65/172,367.33
  6. Step 6: Final answer
    x = 167,343.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.