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Finding the Fourth Proportional to 178,067.70, 267,015.15 and 99,098.10

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Solution

The fourth proportional to 178,067.70, 267,015.15 and 99,098.10 is: 148,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,067.70 : 267,015.15 = 99,098.10 : x
  2. Step 2: Convert to fraction form
    178,067.70/267,015.15 = 99,098.10/x
  3. Step 3: Cross multiply
    178,067.70x = 267,015.15 × 99,098.10
  4. Step 4: Simplify right side
    178,067.70x = 26,460,694,036.22
  5. Step 5: Solve for x
    x = 26,460,694,036.22/178,067.70
  6. Step 6: Final answer
    x = 148,599.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.