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Finding the Fourth Proportional to 63,146.88, 94,689.60 and 36,860.16

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Solution

The fourth proportional to 63,146.88, 94,689.60 and 36,860.16 is: 55,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,146.88 : 94,689.60 = 36,860.16 : x
  2. Step 2: Convert to fraction form
    63,146.88/94,689.60 = 36,860.16/x
  3. Step 3: Cross multiply
    63,146.88x = 94,689.60 × 36,860.16
  4. Step 4: Simplify right side
    63,146.88x = 3,490,273,806.34
  5. Step 5: Solve for x
    x = 3,490,273,806.34/63,146.88
  6. Step 6: Final answer
    x = 55,272.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.