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Finding the Fourth Proportional to 157,229.01, 235,859.88 and 43,376.83

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Solution

The fourth proportional to 157,229.01, 235,859.88 and 43,376.83 is: 65,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,229.01 : 235,859.88 = 43,376.83 : x
  2. Step 2: Convert to fraction form
    157,229.01/235,859.88 = 43,376.83/x
  3. Step 3: Cross multiply
    157,229.01x = 235,859.88 × 43,376.83
  4. Step 4: Simplify right side
    157,229.01x = 10,230,852,630.84
  5. Step 5: Solve for x
    x = 10,230,852,630.84/157,229.01
  6. Step 6: Final answer
    x = 65,069.75

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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.