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Finding the Fourth Proportional to 155,761.14, 233,661.14 and 60,979.08

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Solution

The fourth proportional to 155,761.14, 233,661.14 and 60,979.08 is: 91,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,761.14 : 233,661.14 = 60,979.08 : x
  2. Step 2: Convert to fraction form
    155,761.14/233,661.14 = 60,979.08/x
  3. Step 3: Cross multiply
    155,761.14x = 233,661.14 × 60,979.08
  4. Step 4: Simplify right side
    155,761.14x = 14,248,441,348.95
  5. Step 5: Solve for x
    x = 14,248,441,348.95/155,761.14
  6. Step 6: Final answer
    x = 91,476.23

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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.