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Finding the Fourth Proportional to 92,510.12, 127,718.98 and 60,734.72

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Solution

The fourth proportional to 92,510.12, 127,718.98 and 60,734.72 is: 83,850.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,510.12 : 127,718.98 = 60,734.72 : x
  2. Step 2: Convert to fraction form
    92,510.12/127,718.98 = 60,734.72/x
  3. Step 3: Cross multiply
    92,510.12x = 127,718.98 × 60,734.72
  4. Step 4: Simplify right side
    92,510.12x = 7,756,976,488.99
  5. Step 5: Solve for x
    x = 7,756,976,488.99/92,510.12
  6. Step 6: Final answer
    x = 83,850.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.