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Finding the Fourth Proportional to 65,525.33, 98,140.28 and 45,891.51

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Solution

The fourth proportional to 65,525.33, 98,140.28 and 45,891.51 is: 68,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,525.33 : 98,140.28 = 45,891.51 : x
  2. Step 2: Convert to fraction form
    65,525.33/98,140.28 = 45,891.51/x
  3. Step 3: Cross multiply
    65,525.33x = 98,140.28 × 45,891.51
  4. Step 4: Simplify right side
    65,525.33x = 4,503,805,411.57
  5. Step 5: Solve for x
    x = 4,503,805,411.57/65,525.33
  6. Step 6: Final answer
    x = 68,733.81

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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.