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Finding the Fourth Proportional to 163,937.75, 245,742.47 and 63,960.40

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Solution

The fourth proportional to 163,937.75, 245,742.47 and 63,960.40 is: 95,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,937.75 : 245,742.47 = 63,960.40 : x
  2. Step 2: Convert to fraction form
    163,937.75/245,742.47 = 63,960.40/x
  3. Step 3: Cross multiply
    163,937.75x = 245,742.47 × 63,960.40
  4. Step 4: Simplify right side
    163,937.75x = 15,717,785,129.67
  5. Step 5: Solve for x
    x = 15,717,785,129.67/163,937.75
  6. Step 6: Final answer
    x = 95,876.55

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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.