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Finding the Fourth Proportional to 157,635.26, 236,409.11 and 43,756.89

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Solution

The fourth proportional to 157,635.26, 236,409.11 and 43,756.89 is: 65,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,635.26 : 236,409.11 = 43,756.89 : x
  2. Step 2: Convert to fraction form
    157,635.26/236,409.11 = 43,756.89/x
  3. Step 3: Cross multiply
    157,635.26x = 236,409.11 × 43,756.89
  4. Step 4: Simplify right side
    157,635.26x = 10,344,527,421.27
  5. Step 5: Solve for x
    x = 10,344,527,421.27/157,635.26
  6. Step 6: Final answer
    x = 65,623.18

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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.