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Finding the Fourth Proportional to 87,262.61, 130,894.31 and 34,671.94

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Solution

The fourth proportional to 87,262.61, 130,894.31 and 34,671.94 is: 52,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.61 : 130,894.31 = 34,671.94 : x
  2. Step 2: Convert to fraction form
    87,262.61/130,894.31 = 34,671.94/x
  3. Step 3: Cross multiply
    87,262.61x = 130,894.31 × 34,671.94
  4. Step 4: Simplify right side
    87,262.61x = 4,538,359,422.11
  5. Step 5: Solve for x
    x = 4,538,359,422.11/87,262.61
  6. Step 6: Final answer
    x = 52,008.07

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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.