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Finding the Fourth Proportional to 158,616.80, 237,957.60 and 53,446.40

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Solution

The fourth proportional to 158,616.80, 237,957.60 and 53,446.40 is: 80,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,616.80 : 237,957.60 = 53,446.40 : x
  2. Step 2: Convert to fraction form
    158,616.80/237,957.60 = 53,446.40/x
  3. Step 3: Cross multiply
    158,616.80x = 237,957.60 × 53,446.40
  4. Step 4: Simplify right side
    158,616.80x = 12,717,977,072.64
  5. Step 5: Solve for x
    x = 12,717,977,072.64/158,616.80
  6. Step 6: Final answer
    x = 80,180.52

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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.