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Finding the Fourth Proportional to 117,277.50, 161,841.81 and 65,594.02

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Solution

The fourth proportional to 117,277.50, 161,841.81 and 65,594.02 is: 90,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,277.50 : 161,841.81 = 65,594.02 : x
  2. Step 2: Convert to fraction form
    117,277.50/161,841.81 = 65,594.02/x
  3. Step 3: Cross multiply
    117,277.50x = 161,841.81 × 65,594.02
  4. Step 4: Simplify right side
    117,277.50x = 10,615,854,921.98
  5. Step 5: Solve for x
    x = 10,615,854,921.98/117,277.50
  6. Step 6: Final answer
    x = 90,519.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.