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Finding the Fourth Proportional to 169,899.01, 254,879.24 and 70,003.63

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Solution

The fourth proportional to 169,899.01, 254,879.24 and 70,003.63 is: 105,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,899.01 : 254,879.24 = 70,003.63 : x
  2. Step 2: Convert to fraction form
    169,899.01/254,879.24 = 70,003.63/x
  3. Step 3: Cross multiply
    169,899.01x = 254,879.24 × 70,003.63
  4. Step 4: Simplify right side
    169,899.01x = 17,842,472,011.64
  5. Step 5: Solve for x
    x = 17,842,472,011.64/169,899.01
  6. Step 6: Final answer
    x = 105,018.11

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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.