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Finding the Fourth Proportional to 135,797.39, 187,398.06 and 75,370.58

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Solution

The fourth proportional to 135,797.39, 187,398.06 and 75,370.58 is: 104,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,797.39 : 187,398.06 = 75,370.58 : x
  2. Step 2: Convert to fraction form
    135,797.39/187,398.06 = 75,370.58/x
  3. Step 3: Cross multiply
    135,797.39x = 187,398.06 × 75,370.58
  4. Step 4: Simplify right side
    135,797.39x = 14,124,300,941.57
  5. Step 5: Solve for x
    x = 14,124,300,941.57/135,797.39
  6. Step 6: Final answer
    x = 104,010.10

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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.