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Finding the Fourth Proportional to 118,536.61, 163,583.36 and 67,548.25

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Solution

The fourth proportional to 118,536.61, 163,583.36 and 67,548.25 is: 93,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,536.61 : 163,583.36 = 67,548.25 : x
  2. Step 2: Convert to fraction form
    118,536.61/163,583.36 = 67,548.25/x
  3. Step 3: Cross multiply
    118,536.61x = 163,583.36 × 67,548.25
  4. Step 4: Simplify right side
    118,536.61x = 11,049,769,697.12
  5. Step 5: Solve for x
    x = 11,049,769,697.12/118,536.61
  6. Step 6: Final answer
    x = 93,218.20

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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.