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Finding the Fourth Proportional to 158,734.58, 237,920.43 and 65,124.50

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Solution

The fourth proportional to 158,734.58, 237,920.43 and 65,124.50 is: 97,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,734.58 : 237,920.43 = 65,124.50 : x
  2. Step 2: Convert to fraction form
    158,734.58/237,920.43 = 65,124.50/x
  3. Step 3: Cross multiply
    158,734.58x = 237,920.43 × 65,124.50
  4. Step 4: Simplify right side
    158,734.58x = 15,494,449,043.54
  5. Step 5: Solve for x
    x = 15,494,449,043.54/158,734.58
  6. Step 6: Final answer
    x = 97,612.31

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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.