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Finding the Fourth Proportional to 178,265.70, 267,398.55 and 152,021.70

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Solution

The fourth proportional to 178,265.70, 267,398.55 and 152,021.70 is: 228,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,265.70 : 267,398.55 = 152,021.70 : x
  2. Step 2: Convert to fraction form
    178,265.70/267,398.55 = 152,021.70/x
  3. Step 3: Cross multiply
    178,265.70x = 267,398.55 × 152,021.70
  4. Step 4: Simplify right side
    178,265.70x = 40,650,382,148.54
  5. Step 5: Solve for x
    x = 40,650,382,148.54/178,265.70
  6. Step 6: Final answer
    x = 228,032.55

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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.