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Finding the Fourth Proportional to 158,881.98, 238,322.76 and 40,553.30

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Solution

The fourth proportional to 158,881.98, 238,322.76 and 40,553.30 is: 60,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,881.98 : 238,322.76 = 40,553.30 : x
  2. Step 2: Convert to fraction form
    158,881.98/238,322.76 = 40,553.30/x
  3. Step 3: Cross multiply
    158,881.98x = 238,322.76 × 40,553.30
  4. Step 4: Simplify right side
    158,881.98x = 9,664,774,383.11
  5. Step 5: Solve for x
    x = 9,664,774,383.11/158,881.98
  6. Step 6: Final answer
    x = 60,829.90

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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.