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Finding the Fourth Proportional to 178,125.40, 267,231.30 and 125,637.40

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Solution

The fourth proportional to 178,125.40, 267,231.30 and 125,637.40 is: 188,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,125.40 : 267,231.30 = 125,637.40 : x
  2. Step 2: Convert to fraction form
    178,125.40/267,231.30 = 125,637.40/x
  3. Step 3: Cross multiply
    178,125.40x = 267,231.30 × 125,637.40
  4. Step 4: Simplify right side
    178,125.40x = 33,574,245,730.62
  5. Step 5: Solve for x
    x = 33,574,245,730.62/178,125.40
  6. Step 6: Final answer
    x = 188,486.57

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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.