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Finding the Fourth Proportional to 159,613.72, 239,368.48 and 52,969.03

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Solution

The fourth proportional to 159,613.72, 239,368.48 and 52,969.03 is: 79,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,613.72 : 239,368.48 = 52,969.03 : x
  2. Step 2: Convert to fraction form
    159,613.72/239,368.48 = 52,969.03/x
  3. Step 3: Cross multiply
    159,613.72x = 239,368.48 × 52,969.03
  4. Step 4: Simplify right side
    159,613.72x = 12,679,114,736.49
  5. Step 5: Solve for x
    x = 12,679,114,736.49/159,613.72
  6. Step 6: Final answer
    x = 79,436.25

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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.