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Finding the Fourth Proportional to 270,402.22, 373,139.84 and 147,870.28

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Solution

The fourth proportional to 270,402.22, 373,139.84 and 147,870.28 is: 204,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,402.22 : 373,139.84 = 147,870.28 : x
  2. Step 2: Convert to fraction form
    270,402.22/373,139.84 = 147,870.28/x
  3. Step 3: Cross multiply
    270,402.22x = 373,139.84 × 147,870.28
  4. Step 4: Simplify right side
    270,402.22x = 55,176,290,947.75
  5. Step 5: Solve for x
    x = 55,176,290,947.75/270,402.22
  6. Step 6: Final answer
    x = 204,052.66

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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.