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Finding the Fourth Proportional to 136,033.68, 187,748.76 and 113,336.68

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Solution

The fourth proportional to 136,033.68, 187,748.76 and 113,336.68 is: 156,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,033.68 : 187,748.76 = 113,336.68 : x
  2. Step 2: Convert to fraction form
    136,033.68/187,748.76 = 113,336.68/x
  3. Step 3: Cross multiply
    136,033.68x = 187,748.76 × 113,336.68
  4. Step 4: Simplify right side
    136,033.68x = 21,278,821,132.52
  5. Step 5: Solve for x
    x = 21,278,821,132.52/136,033.68
  6. Step 6: Final answer
    x = 156,423.18

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1.5x scale

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.