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Finding the Fourth Proportional to 169,842.76, 254,754.96 and 70,001.08

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Solution

The fourth proportional to 169,842.76, 254,754.96 and 70,001.08 is: 104,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,842.76 : 254,754.96 = 70,001.08 : x
  2. Step 2: Convert to fraction form
    169,842.76/254,754.96 = 70,001.08/x
  3. Step 3: Cross multiply
    169,842.76x = 254,754.96 × 70,001.08
  4. Step 4: Simplify right side
    169,842.76x = 17,833,122,335.36
  5. Step 5: Solve for x
    x = 17,833,122,335.36/169,842.76
  6. Step 6: Final answer
    x = 104,997.84

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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.