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Finding the Fourth Proportional to 157,299.56, 235,955.25 and 43,458.92

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Solution

The fourth proportional to 157,299.56, 235,955.25 and 43,458.92 is: 65,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,299.56 : 235,955.25 = 43,458.92 : x
  2. Step 2: Convert to fraction form
    157,299.56/235,955.25 = 43,458.92/x
  3. Step 3: Cross multiply
    157,299.56x = 235,955.25 × 43,458.92
  4. Step 4: Simplify right side
    157,299.56x = 10,254,359,153.55
  5. Step 5: Solve for x
    x = 10,254,359,153.55/157,299.56
  6. Step 6: Final answer
    x = 65,190.01

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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.