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Finding the Fourth Proportional to 157,657.42, 236,479.47 and 73,388.62

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Solution

The fourth proportional to 157,657.42, 236,479.47 and 73,388.62 is: 110,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,657.42 : 236,479.47 = 73,388.62 : x
  2. Step 2: Convert to fraction form
    157,657.42/236,479.47 = 73,388.62/x
  3. Step 3: Cross multiply
    157,657.42x = 236,479.47 × 73,388.62
  4. Step 4: Simplify right side
    157,657.42x = 17,354,901,961.63
  5. Step 5: Solve for x
    x = 17,354,901,961.63/157,657.42
  6. Step 6: Final answer
    x = 110,079.83

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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.