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Finding the Fourth Proportional to 153,559.70, 230,372.36 and 53,723.15

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Solution

The fourth proportional to 153,559.70, 230,372.36 and 53,723.15 is: 80,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,559.70 : 230,372.36 = 53,723.15 : x
  2. Step 2: Convert to fraction form
    153,559.70/230,372.36 = 53,723.15/x
  3. Step 3: Cross multiply
    153,559.70x = 230,372.36 × 53,723.15
  4. Step 4: Simplify right side
    153,559.70x = 12,376,329,159.45
  5. Step 5: Solve for x
    x = 12,376,329,159.45/153,559.70
  6. Step 6: Final answer
    x = 80,596.20

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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.