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Finding the Fourth Proportional to 187,506.54, 258,759.72 and 101,465.53

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Solution

The fourth proportional to 187,506.54, 258,759.72 and 101,465.53 is: 140,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,506.54 : 258,759.72 = 101,465.53 : x
  2. Step 2: Convert to fraction form
    187,506.54/258,759.72 = 101,465.53/x
  3. Step 3: Cross multiply
    187,506.54x = 258,759.72 × 101,465.53
  4. Step 4: Simplify right side
    187,506.54x = 26,255,191,485.55
  5. Step 5: Solve for x
    x = 26,255,191,485.55/187,506.54
  6. Step 6: Final answer
    x = 140,022.80

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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.