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Finding the Fourth Proportional to 243,082.40, 364,623.59 and 65,589.39

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Solution

The fourth proportional to 243,082.40, 364,623.59 and 65,589.39 is: 98,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,082.40 : 364,623.59 = 65,589.39 : x
  2. Step 2: Convert to fraction form
    243,082.40/364,623.59 = 65,589.39/x
  3. Step 3: Cross multiply
    243,082.40x = 364,623.59 × 65,589.39
  4. Step 4: Simplify right side
    243,082.40x = 23,915,438,519.76
  5. Step 5: Solve for x
    x = 23,915,438,519.76/243,082.40
  6. Step 6: Final answer
    x = 98,384.08

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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.