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Finding the Fourth Proportional to 169,482.92, 254,181.46 and 69,670.68

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Solution

The fourth proportional to 169,482.92, 254,181.46 and 69,670.68 is: 104,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,482.92 : 254,181.46 = 69,670.68 : x
  2. Step 2: Convert to fraction form
    169,482.92/254,181.46 = 69,670.68/x
  3. Step 3: Cross multiply
    169,482.92x = 254,181.46 × 69,670.68
  4. Step 4: Simplify right side
    169,482.92x = 17,708,995,161.59
  5. Step 5: Solve for x
    x = 17,708,995,161.59/169,482.92
  6. Step 6: Final answer
    x = 104,488.38

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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.