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Finding the Fourth Proportional to 121,341, 182,047.41 and 62,218.16

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Solution

The fourth proportional to 121,341, 182,047.41 and 62,218.16 is: 93,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,341 : 182,047.41 = 62,218.16 : x
  2. Step 2: Convert to fraction form
    121,341/182,047.41 = 62,218.16/x
  3. Step 3: Cross multiply
    121,341x = 182,047.41 × 62,218.16
  4. Step 4: Simplify right side
    121,341x = 11,326,653,972.73
  5. Step 5: Solve for x
    x = 11,326,653,972.73/121,341
  6. Step 6: Final answer
    x = 93,345.65

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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.