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Finding the Fourth Proportional to 157,146.66, 216,824.58 and 92,618.46

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Solution

The fourth proportional to 157,146.66, 216,824.58 and 92,618.46 is: 127,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,146.66 : 216,824.58 = 92,618.46 : x
  2. Step 2: Convert to fraction form
    157,146.66/216,824.58 = 92,618.46/x
  3. Step 3: Cross multiply
    157,146.66x = 216,824.58 × 92,618.46
  4. Step 4: Simplify right side
    157,146.66x = 20,081,958,689.75
  5. Step 5: Solve for x
    x = 20,081,958,689.75/157,146.66
  6. Step 6: Final answer
    x = 127,791.19

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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.