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Finding the Fourth Proportional to 60,175.84, 90,260.11 and 15,801.61

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Solution

The fourth proportional to 60,175.84, 90,260.11 and 15,801.61 is: 23,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,175.84 : 90,260.11 = 15,801.61 : x
  2. Step 2: Convert to fraction form
    60,175.84/90,260.11 = 15,801.61/x
  3. Step 3: Cross multiply
    60,175.84x = 90,260.11 × 15,801.61
  4. Step 4: Simplify right side
    60,175.84x = 1,426,255,056.78
  5. Step 5: Solve for x
    x = 1,426,255,056.78/60,175.84
  6. Step 6: Final answer
    x = 23,701.46

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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.