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Finding the Fourth Proportional to 157,219.80, 235,838.40 and 44,891.32

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Solution

The fourth proportional to 157,219.80, 235,838.40 and 44,891.32 is: 67,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,219.80 : 235,838.40 = 44,891.32 : x
  2. Step 2: Convert to fraction form
    157,219.80/235,838.40 = 44,891.32/x
  3. Step 3: Cross multiply
    157,219.80x = 235,838.40 × 44,891.32
  4. Step 4: Simplify right side
    157,219.80x = 10,587,097,082.69
  5. Step 5: Solve for x
    x = 10,587,097,082.69/157,219.80
  6. Step 6: Final answer
    x = 67,339.46

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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.