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Finding the Fourth Proportional to 255,301.95, 352,263.30 and 147,865.56

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Solution

The fourth proportional to 255,301.95, 352,263.30 and 147,865.56 is: 204,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,301.95 : 352,263.30 = 147,865.56 : x
  2. Step 2: Convert to fraction form
    255,301.95/352,263.30 = 147,865.56/x
  3. Step 3: Cross multiply
    255,301.95x = 352,263.30 × 147,865.56
  4. Step 4: Simplify right side
    255,301.95x = 52,087,610,121.95
  5. Step 5: Solve for x
    x = 52,087,610,121.95/255,301.95
  6. Step 6: Final answer
    x = 204,023.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.