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Finding the Fourth Proportional to 311,159.57, 466,635.35 and 121,570.76

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Solution

The fourth proportional to 311,159.57, 466,635.35 and 121,570.76 is: 182,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,159.57 : 466,635.35 = 121,570.76 : x
  2. Step 2: Convert to fraction form
    311,159.57/466,635.35 = 121,570.76/x
  3. Step 3: Cross multiply
    311,159.57x = 466,635.35 × 121,570.76
  4. Step 4: Simplify right side
    311,159.57x = 56,729,211,201.34
  5. Step 5: Solve for x
    x = 56,729,211,201.34/311,159.57
  6. Step 6: Final answer
    x = 182,315.50

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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.