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Finding the Fourth Proportional to 73,969.88, 101,863.42 and 64,275.26

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Solution

The fourth proportional to 73,969.88, 101,863.42 and 64,275.26 is: 88,513.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,969.88 : 101,863.42 = 64,275.26 : x
  2. Step 2: Convert to fraction form
    73,969.88/101,863.42 = 64,275.26/x
  3. Step 3: Cross multiply
    73,969.88x = 101,863.42 × 64,275.26
  4. Step 4: Simplify right side
    73,969.88x = 6,547,297,804.99
  5. Step 5: Solve for x
    x = 6,547,297,804.99/73,969.88
  6. Step 6: Final answer
    x = 88,513.02

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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.