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Finding the Fourth Proportional to 169,373.99, 254,159.40 and 75,879.74

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Solution

The fourth proportional to 169,373.99, 254,159.40 and 75,879.74 is: 113,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,373.99 : 254,159.40 = 75,879.74 : x
  2. Step 2: Convert to fraction form
    169,373.99/254,159.40 = 75,879.74/x
  3. Step 3: Cross multiply
    169,373.99x = 254,159.40 × 75,879.74
  4. Step 4: Simplify right side
    169,373.99x = 19,285,547,919.76
  5. Step 5: Solve for x
    x = 19,285,547,919.76/169,373.99
  6. Step 6: Final answer
    x = 113,863.70

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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.