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Finding the Fourth Proportional to 158,338.80, 237,306.60 and 64,738.80

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Solution

The fourth proportional to 158,338.80, 237,306.60 and 64,738.80 is: 97,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,338.80 : 237,306.60 = 64,738.80 : x
  2. Step 2: Convert to fraction form
    158,338.80/237,306.60 = 64,738.80/x
  3. Step 3: Cross multiply
    158,338.80x = 237,306.60 × 64,738.80
  4. Step 4: Simplify right side
    158,338.80x = 15,362,944,516.08
  5. Step 5: Solve for x
    x = 15,362,944,516.08/158,338.80
  6. Step 6: Final answer
    x = 97,025.77

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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.