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Finding the Fourth Proportional to 157,393.75, 236,004.05 and 107,530.15

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Solution

The fourth proportional to 157,393.75, 236,004.05 and 107,530.15 is: 161,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,393.75 : 236,004.05 = 107,530.15 : x
  2. Step 2: Convert to fraction form
    157,393.75/236,004.05 = 107,530.15/x
  3. Step 3: Cross multiply
    157,393.75x = 236,004.05 × 107,530.15
  4. Step 4: Simplify right side
    157,393.75x = 25,377,550,575.92
  5. Step 5: Solve for x
    x = 25,377,550,575.92/157,393.75
  6. Step 6: Final answer
    x = 161,236.08

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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.