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Finding the Fourth Proportional to 158,881.70, 238,322.36 and 40,553.06

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Solution

The fourth proportional to 158,881.70, 238,322.36 and 40,553.06 is: 60,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,881.70 : 238,322.36 = 40,553.06 : x
  2. Step 2: Convert to fraction form
    158,881.70/238,322.36 = 40,553.06/x
  3. Step 3: Cross multiply
    158,881.70x = 238,322.36 × 40,553.06
  4. Step 4: Simplify right side
    158,881.70x = 9,664,700,964.42
  5. Step 5: Solve for x
    x = 9,664,700,964.42/158,881.70
  6. Step 6: Final answer
    x = 60,829.54

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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.