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Finding the Fourth Proportional to 238,561.61, 357,842.21 and 61,068.33

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Solution

The fourth proportional to 238,561.61, 357,842.21 and 61,068.33 is: 91,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,561.61 : 357,842.21 = 61,068.33 : x
  2. Step 2: Convert to fraction form
    238,561.61/357,842.21 = 61,068.33/x
  3. Step 3: Cross multiply
    238,561.61x = 357,842.21 × 61,068.33
  4. Step 4: Simplify right side
    238,561.61x = 21,852,825,862.87
  5. Step 5: Solve for x
    x = 21,852,825,862.87/238,561.61
  6. Step 6: Final answer
    x = 91,602.44

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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.