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Finding the Fourth Proportional to 68,655.08, 94,695.14 and 63,008.06

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Solution

The fourth proportional to 68,655.08, 94,695.14 and 63,008.06 is: 86,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,655.08 : 94,695.14 = 63,008.06 : x
  2. Step 2: Convert to fraction form
    68,655.08/94,695.14 = 63,008.06/x
  3. Step 3: Cross multiply
    68,655.08x = 94,695.14 × 63,008.06
  4. Step 4: Simplify right side
    68,655.08x = 5,966,557,062.83
  5. Step 5: Solve for x
    x = 5,966,557,062.83/68,655.08
  6. Step 6: Final answer
    x = 86,906.27

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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.