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Finding the Fourth Proportional to 110,605.71, 165,101.10 and 94,911.60

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Solution

The fourth proportional to 110,605.71, 165,101.10 and 94,911.60 is: 141,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,605.71 : 165,101.10 = 94,911.60 : x
  2. Step 2: Convert to fraction form
    110,605.71/165,101.10 = 94,911.60/x
  3. Step 3: Cross multiply
    110,605.71x = 165,101.10 × 94,911.60
  4. Step 4: Simplify right side
    110,605.71x = 15,670,009,562.76
  5. Step 5: Solve for x
    x = 15,670,009,562.76/110,605.71
  6. Step 6: Final answer
    x = 141,674.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.