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Finding the Fourth Proportional to 212,888.38, 293,480.70 and 167,487.52

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Solution

The fourth proportional to 212,888.38, 293,480.70 and 167,487.52 is: 230,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,888.38 : 293,480.70 = 167,487.52 : x
  2. Step 2: Convert to fraction form
    212,888.38/293,480.70 = 167,487.52/x
  3. Step 3: Cross multiply
    212,888.38x = 293,480.70 × 167,487.52
  4. Step 4: Simplify right side
    212,888.38x = 49,154,354,610.86
  5. Step 5: Solve for x
    x = 49,154,354,610.86/212,888.38
  6. Step 6: Final answer
    x = 230,892.61

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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.