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Finding the Fourth Proportional to 112,718.97, 169,140.69 and 62,827.16

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Solution

The fourth proportional to 112,718.97, 169,140.69 and 62,827.16 is: 94,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,718.97 : 169,140.69 = 62,827.16 : x
  2. Step 2: Convert to fraction form
    112,718.97/169,140.69 = 62,827.16/x
  3. Step 3: Cross multiply
    112,718.97x = 169,140.69 × 62,827.16
  4. Step 4: Simplify right side
    112,718.97x = 10,626,628,347.44
  5. Step 5: Solve for x
    x = 10,626,628,347.44/112,718.97
  6. Step 6: Final answer
    x = 94,275.42

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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.