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Finding the Fourth Proportional to 238,561.27, 357,833.70 and 61,069.82

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Solution

The fourth proportional to 238,561.27, 357,833.70 and 61,069.82 is: 91,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,561.27 : 357,833.70 = 61,069.82 : x
  2. Step 2: Convert to fraction form
    238,561.27/357,833.70 = 61,069.82/x
  3. Step 3: Cross multiply
    238,561.27x = 357,833.70 × 61,069.82
  4. Step 4: Simplify right side
    238,561.27x = 21,852,837,859.77
  5. Step 5: Solve for x
    x = 21,852,837,859.77/238,561.27
  6. Step 6: Final answer
    x = 91,602.62

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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.