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Finding the Fourth Proportional to 121,342, 182,048.91 and 62,219.16

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Solution

The fourth proportional to 121,342, 182,048.91 and 62,219.16 is: 93,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,342 : 182,048.91 = 62,219.16 : x
  2. Step 2: Convert to fraction form
    121,342/182,048.91 = 62,219.16/x
  3. Step 3: Cross multiply
    121,342x = 182,048.91 × 62,219.16
  4. Step 4: Simplify right side
    121,342x = 11,326,930,259.12
  5. Step 5: Solve for x
    x = 11,326,930,259.12/121,342
  6. Step 6: Final answer
    x = 93,347.15

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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.