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Finding the Fourth Proportional to 180,417.66, 270,686.61 and 60,486.46

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Solution

The fourth proportional to 180,417.66, 270,686.61 and 60,486.46 is: 90,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,417.66 : 270,686.61 = 60,486.46 : x
  2. Step 2: Convert to fraction form
    180,417.66/270,686.61 = 60,486.46/x
  3. Step 3: Cross multiply
    180,417.66x = 270,686.61 × 60,486.46
  4. Step 4: Simplify right side
    180,417.66x = 16,372,874,808.30
  5. Step 5: Solve for x
    x = 16,372,874,808.30/180,417.66
  6. Step 6: Final answer
    x = 90,749.85

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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.