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Finding the Fourth Proportional to 180,154.01, 270,139.17 and 60,167.77

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Solution

The fourth proportional to 180,154.01, 270,139.17 and 60,167.77 is: 90,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,154.01 : 270,139.17 = 60,167.77 : x
  2. Step 2: Convert to fraction form
    180,154.01/270,139.17 = 60,167.77/x
  3. Step 3: Cross multiply
    180,154.01x = 270,139.17 × 60,167.77
  4. Step 4: Simplify right side
    180,154.01x = 16,253,671,448.55
  5. Step 5: Solve for x
    x = 16,253,671,448.55/180,154.01
  6. Step 6: Final answer
    x = 90,220.98

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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.