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Finding the Fourth Proportional to 238,610.90, 357,908.13 and 61,119.44

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Solution

The fourth proportional to 238,610.90, 357,908.13 and 61,119.44 is: 91,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,610.90 : 357,908.13 = 61,119.44 : x
  2. Step 2: Convert to fraction form
    238,610.90/357,908.13 = 61,119.44/x
  3. Step 3: Cross multiply
    238,610.90x = 357,908.13 × 61,119.44
  4. Step 4: Simplify right side
    238,610.90x = 21,875,144,477.05
  5. Step 5: Solve for x
    x = 21,875,144,477.05/238,610.90
  6. Step 6: Final answer
    x = 91,677.05

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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.