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Finding the Fourth Proportional to 169,609.92, 254,451.84 and 51,278.22

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Solution

The fourth proportional to 169,609.92, 254,451.84 and 51,278.22 is: 76,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,609.92 : 254,451.84 = 51,278.22 : x
  2. Step 2: Convert to fraction form
    169,609.92/254,451.84 = 51,278.22/x
  3. Step 3: Cross multiply
    169,609.92x = 254,451.84 × 51,278.22
  4. Step 4: Simplify right side
    169,609.92x = 13,047,837,430.92
  5. Step 5: Solve for x
    x = 13,047,837,430.92/169,609.92
  6. Step 6: Final answer
    x = 76,928.50

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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.