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Finding the Fourth Proportional to 169,591.76, 254,379.96 and 69,790.16

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Solution

The fourth proportional to 169,591.76, 254,379.96 and 69,790.16 is: 104,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,591.76 : 254,379.96 = 69,790.16 : x
  2. Step 2: Convert to fraction form
    169,591.76/254,379.96 = 69,790.16/x
  3. Step 3: Cross multiply
    169,591.76x = 254,379.96 × 69,790.16
  4. Step 4: Simplify right side
    169,591.76x = 17,753,218,109.19
  5. Step 5: Solve for x
    x = 17,753,218,109.19/169,591.76
  6. Step 6: Final answer
    x = 104,682.08

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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.