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Finding the Fourth Proportional to 134,630.00, 185,781.80 and 74,200.46

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Solution

The fourth proportional to 134,630.00, 185,781.80 and 74,200.46 is: 102,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,630.00 : 185,781.80 = 74,200.46 : x
  2. Step 2: Convert to fraction form
    134,630.00/185,781.80 = 74,200.46/x
  3. Step 3: Cross multiply
    134,630.00x = 185,781.80 × 74,200.46
  4. Step 4: Simplify right side
    134,630.00x = 13,785,093,719.72
  5. Step 5: Solve for x
    x = 13,785,093,719.72/134,630.00
  6. Step 6: Final answer
    x = 102,392.44

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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.