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Finding the Fourth Proportional to 149,227.71, 223,700.85 and 74,277

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Solution

The fourth proportional to 149,227.71, 223,700.85 and 74,277 is: 111,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,227.71 : 223,700.85 = 74,277 : x
  2. Step 2: Convert to fraction form
    149,227.71/223,700.85 = 74,277/x
  3. Step 3: Cross multiply
    149,227.71x = 223,700.85 × 74,277
  4. Step 4: Simplify right side
    149,227.71x = 16,615,828,035.45
  5. Step 5: Solve for x
    x = 16,615,828,035.45/149,227.71
  6. Step 6: Final answer
    x = 111,345.46

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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.