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Finding the Fourth Proportional to 63,146.36, 94,655.54 and 40,973.82

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Solution

The fourth proportional to 63,146.36, 94,655.54 and 40,973.82 is: 61,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,146.36 : 94,655.54 = 40,973.82 : x
  2. Step 2: Convert to fraction form
    63,146.36/94,655.54 = 40,973.82/x
  3. Step 3: Cross multiply
    63,146.36x = 94,655.54 × 40,973.82
  4. Step 4: Simplify right side
    63,146.36x = 3,878,399,057.96
  5. Step 5: Solve for x
    x = 3,878,399,057.96/63,146.36
  6. Step 6: Final answer
    x = 61,419.20

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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.