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Finding the Fourth Proportional to 134,607.60, 185,689.80 and 92,206.80

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Solution

The fourth proportional to 134,607.60, 185,689.80 and 92,206.80 is: 127,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,607.60 : 185,689.80 = 92,206.80 : x
  2. Step 2: Convert to fraction form
    134,607.60/185,689.80 = 92,206.80/x
  3. Step 3: Cross multiply
    134,607.60x = 185,689.80 × 92,206.80
  4. Step 4: Simplify right side
    134,607.60x = 17,121,862,250.64
  5. Step 5: Solve for x
    x = 17,121,862,250.64/134,607.60
  6. Step 6: Final answer
    x = 127,198.33

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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.