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Finding the Fourth Proportional to 157,176.97, 235,814.69 and 101,080.42

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Solution

The fourth proportional to 157,176.97, 235,814.69 and 101,080.42 is: 151,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,176.97 : 235,814.69 = 101,080.42 : x
  2. Step 2: Convert to fraction form
    157,176.97/235,814.69 = 101,080.42/x
  3. Step 3: Cross multiply
    157,176.97x = 235,814.69 × 101,080.42
  4. Step 4: Simplify right side
    157,176.97x = 23,836,247,907.37
  5. Step 5: Solve for x
    x = 23,836,247,907.37/157,176.97
  6. Step 6: Final answer
    x = 151,652.29

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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.