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Finding the Fourth Proportional to 64,301.88, 88,759.88 and 52,344.46

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Solution

The fourth proportional to 64,301.88, 88,759.88 and 52,344.46 is: 72,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,301.88 : 88,759.88 = 52,344.46 : x
  2. Step 2: Convert to fraction form
    64,301.88/88,759.88 = 52,344.46/x
  3. Step 3: Cross multiply
    64,301.88x = 88,759.88 × 52,344.46
  4. Step 4: Simplify right side
    64,301.88x = 4,646,087,988.26
  5. Step 5: Solve for x
    x = 4,646,087,988.26/64,301.88
  6. Step 6: Final answer
    x = 72,254.31

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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.