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Finding the Fourth Proportional to 157,841.64, 217,785.60 and 94,167

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Solution

The fourth proportional to 157,841.64, 217,785.60 and 94,167 is: 129,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,841.64 : 217,785.60 = 94,167 : x
  2. Step 2: Convert to fraction form
    157,841.64/217,785.60 = 94,167/x
  3. Step 3: Cross multiply
    157,841.64x = 217,785.60 × 94,167
  4. Step 4: Simplify right side
    157,841.64x = 20,508,216,595.20
  5. Step 5: Solve for x
    x = 20,508,216,595.20/157,841.64
  6. Step 6: Final answer
    x = 129,929.06

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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.