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Finding the Fourth Proportional to 97,585.64, 134,661.95 and 54,568.68

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Solution

The fourth proportional to 97,585.64, 134,661.95 and 54,568.68 is: 75,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,585.64 : 134,661.95 = 54,568.68 : x
  2. Step 2: Convert to fraction form
    97,585.64/134,661.95 = 54,568.68/x
  3. Step 3: Cross multiply
    97,585.64x = 134,661.95 × 54,568.68
  4. Step 4: Simplify right side
    97,585.64x = 7,348,324,857.73
  5. Step 5: Solve for x
    x = 7,348,324,857.73/97,585.64
  6. Step 6: Final answer
    x = 75,301.29

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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.