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Finding the Fourth Proportional to 96,681.61, 144,850.75 and 40,397.82

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Solution

The fourth proportional to 96,681.61, 144,850.75 and 40,397.82 is: 60,525.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,681.61 : 144,850.75 = 40,397.82 : x
  2. Step 2: Convert to fraction form
    96,681.61/144,850.75 = 40,397.82/x
  3. Step 3: Cross multiply
    96,681.61x = 144,850.75 × 40,397.82
  4. Step 4: Simplify right side
    96,681.61x = 5,851,654,525.37
  5. Step 5: Solve for x
    x = 5,851,654,525.37/96,681.61
  6. Step 6: Final answer
    x = 60,525.00

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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.