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Finding the Fourth Proportional to 252,335.76, 378,488.76 and 94,551

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Solution

The fourth proportional to 252,335.76, 378,488.76 and 94,551 is: 141,820.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,335.76 : 378,488.76 = 94,551 : x
  2. Step 2: Convert to fraction form
    252,335.76/378,488.76 = 94,551/x
  3. Step 3: Cross multiply
    252,335.76x = 378,488.76 × 94,551
  4. Step 4: Simplify right side
    252,335.76x = 35,786,490,746.76
  5. Step 5: Solve for x
    x = 35,786,490,746.76/252,335.76
  6. Step 6: Final answer
    x = 141,820.92

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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.