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Finding the Fourth Proportional to 212,846.45, 293,422.90 and 167,445.57

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Solution

The fourth proportional to 212,846.45, 293,422.90 and 167,445.57 is: 230,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,846.45 : 293,422.90 = 167,445.57 : x
  2. Step 2: Convert to fraction form
    212,846.45/293,422.90 = 167,445.57/x
  3. Step 3: Cross multiply
    212,846.45x = 293,422.90 × 167,445.57
  4. Step 4: Simplify right side
    212,846.45x = 49,132,363,904.33
  5. Step 5: Solve for x
    x = 49,132,363,904.33/212,846.45
  6. Step 6: Final answer
    x = 230,834.79

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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.