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Finding the Fourth Proportional to 187,510.68, 258,770.93 and 102,627.72

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Solution

The fourth proportional to 187,510.68, 258,770.93 and 102,627.72 is: 141,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,510.68 : 258,770.93 = 102,627.72 : x
  2. Step 2: Convert to fraction form
    187,510.68/258,770.93 = 102,627.72/x
  3. Step 3: Cross multiply
    187,510.68x = 258,770.93 × 102,627.72
  4. Step 4: Simplify right side
    187,510.68x = 26,557,070,035.04
  5. Step 5: Solve for x
    x = 26,557,070,035.04/187,510.68
  6. Step 6: Final answer
    x = 141,629.64

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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.