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Finding the Fourth Proportional to 178,341.71, 267,434.75 and 67,455.95

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Solution

The fourth proportional to 178,341.71, 267,434.75 and 67,455.95 is: 101,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,341.71 : 267,434.75 = 67,455.95 : x
  2. Step 2: Convert to fraction form
    178,341.71/267,434.75 = 67,455.95/x
  3. Step 3: Cross multiply
    178,341.71x = 267,434.75 × 67,455.95
  4. Step 4: Simplify right side
    178,341.71x = 18,040,063,449.81
  5. Step 5: Solve for x
    x = 18,040,063,449.81/178,341.71
  6. Step 6: Final answer
    x = 101,154.49

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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.