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Finding the Fourth Proportional to 154,532.80, 231,825.37 and 53,303.37

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Solution

The fourth proportional to 154,532.80, 231,825.37 and 53,303.37 is: 79,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,532.80 : 231,825.37 = 53,303.37 : x
  2. Step 2: Convert to fraction form
    154,532.80/231,825.37 = 53,303.37/x
  3. Step 3: Cross multiply
    154,532.80x = 231,825.37 × 53,303.37
  4. Step 4: Simplify right side
    154,532.80x = 12,357,073,472.50
  5. Step 5: Solve for x
    x = 12,357,073,472.50/154,532.80
  6. Step 6: Final answer
    x = 79,964.08

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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.