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Finding the Fourth Proportional to 65,365.56, 90,201.16 and 37,073.88

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Solution

The fourth proportional to 65,365.56, 90,201.16 and 37,073.88 is: 51,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,365.56 : 90,201.16 = 37,073.88 : x
  2. Step 2: Convert to fraction form
    65,365.56/90,201.16 = 37,073.88/x
  3. Step 3: Cross multiply
    65,365.56x = 90,201.16 × 37,073.88
  4. Step 4: Simplify right side
    65,365.56x = 3,344,106,981.70
  5. Step 5: Solve for x
    x = 3,344,106,981.70/65,365.56
  6. Step 6: Final answer
    x = 51,160.08

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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.