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Finding the Fourth Proportional to 163,751.17, 245,626.74 and 45,422.52

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Solution

The fourth proportional to 163,751.17, 245,626.74 and 45,422.52 is: 68,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,751.17 : 245,626.74 = 45,422.52 : x
  2. Step 2: Convert to fraction form
    163,751.17/245,626.74 = 45,422.52/x
  3. Step 3: Cross multiply
    163,751.17x = 245,626.74 × 45,422.52
  4. Step 4: Simplify right side
    163,751.17x = 11,156,985,510.18
  5. Step 5: Solve for x
    x = 11,156,985,510.18/163,751.17
  6. Step 6: Final answer
    x = 68,133.78

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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.