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Finding the Fourth Proportional to 117,174.55, 161,701.01 and 63,459.63

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Solution

The fourth proportional to 117,174.55, 161,701.01 and 63,459.63 is: 87,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,174.55 : 161,701.01 = 63,459.63 : x
  2. Step 2: Convert to fraction form
    117,174.55/161,701.01 = 63,459.63/x
  3. Step 3: Cross multiply
    117,174.55x = 161,701.01 × 63,459.63
  4. Step 4: Simplify right side
    117,174.55x = 10,261,485,731.12
  5. Step 5: Solve for x
    x = 10,261,485,731.12/117,174.55
  6. Step 6: Final answer
    x = 87,574.36

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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.