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Finding the Fourth Proportional to 159,656.82, 239,522.76 and 54,476.16

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Solution

The fourth proportional to 159,656.82, 239,522.76 and 54,476.16 is: 81,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,656.82 : 239,522.76 = 54,476.16 : x
  2. Step 2: Convert to fraction form
    159,656.82/239,522.76 = 54,476.16/x
  3. Step 3: Cross multiply
    159,656.82x = 239,522.76 × 54,476.16
  4. Step 4: Simplify right side
    159,656.82x = 13,048,280,197.40
  5. Step 5: Solve for x
    x = 13,048,280,197.40/159,656.82
  6. Step 6: Final answer
    x = 81,727.05

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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.