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Finding the Fourth Proportional to 100,717.98, 150,989.49 and 59,077.50

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Solution

The fourth proportional to 100,717.98, 150,989.49 and 59,077.50 is: 88,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,717.98 : 150,989.49 = 59,077.50 : x
  2. Step 2: Convert to fraction form
    100,717.98/150,989.49 = 59,077.50/x
  3. Step 3: Cross multiply
    100,717.98x = 150,989.49 × 59,077.50
  4. Step 4: Simplify right side
    100,717.98x = 8,920,081,595.48
  5. Step 5: Solve for x
    x = 8,920,081,595.48/100,717.98
  6. Step 6: Final answer
    x = 88,564.94

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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.