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Finding the Fourth Proportional to 276,751.08, 415,184.94 and 89,748.04

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Solution

The fourth proportional to 276,751.08, 415,184.94 and 89,748.04 is: 134,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,751.08 : 415,184.94 = 89,748.04 : x
  2. Step 2: Convert to fraction form
    276,751.08/415,184.94 = 89,748.04/x
  3. Step 3: Cross multiply
    276,751.08x = 415,184.94 × 89,748.04
  4. Step 4: Simplify right side
    276,751.08x = 37,262,034,602.52
  5. Step 5: Solve for x
    x = 37,262,034,602.52/276,751.08
  6. Step 6: Final answer
    x = 134,640.97

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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.