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Finding the Fourth Proportional to 110,946, 166,460.88 and 66,603.66

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Solution

The fourth proportional to 110,946, 166,460.88 and 66,603.66 is: 99,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,946 : 166,460.88 = 66,603.66 : x
  2. Step 2: Convert to fraction form
    110,946/166,460.88 = 66,603.66/x
  3. Step 3: Cross multiply
    110,946x = 166,460.88 × 66,603.66
  4. Step 4: Simplify right side
    110,946x = 11,086,903,854.82
  5. Step 5: Solve for x
    x = 11,086,903,854.82/110,946
  6. Step 6: Final answer
    x = 99,930.63

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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.