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Finding the Fourth Proportional to 180,097.76, 270,136.85 and 91,348.95

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Solution

The fourth proportional to 180,097.76, 270,136.85 and 91,348.95 is: 137,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,097.76 : 270,136.85 = 91,348.95 : x
  2. Step 2: Convert to fraction form
    180,097.76/270,136.85 = 91,348.95/x
  3. Step 3: Cross multiply
    180,097.76x = 270,136.85 × 91,348.95
  4. Step 4: Simplify right side
    180,097.76x = 24,676,717,147.06
  5. Step 5: Solve for x
    x = 24,676,717,147.06/180,097.76
  6. Step 6: Final answer
    x = 137,018.46

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1.5x scale

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.