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Finding the Fourth Proportional to 141,472.76, 212,230.24 and 46,712.95

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Solution

The fourth proportional to 141,472.76, 212,230.24 and 46,712.95 is: 70,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,472.76 : 212,230.24 = 46,712.95 : x
  2. Step 2: Convert to fraction form
    141,472.76/212,230.24 = 46,712.95/x
  3. Step 3: Cross multiply
    141,472.76x = 212,230.24 × 46,712.95
  4. Step 4: Simplify right side
    141,472.76x = 9,913,901,201.73
  5. Step 5: Solve for x
    x = 9,913,901,201.73/141,472.76
  6. Step 6: Final answer
    x = 70,076.40

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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.