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Finding the Fourth Proportional to 245,773.80, 368,672.85 and 127,675.80

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Solution

The fourth proportional to 245,773.80, 368,672.85 and 127,675.80 is: 191,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,773.80 : 368,672.85 = 127,675.80 : x
  2. Step 2: Convert to fraction form
    245,773.80/368,672.85 = 127,675.80/x
  3. Step 3: Cross multiply
    245,773.80x = 368,672.85 × 127,675.80
  4. Step 4: Simplify right side
    245,773.80x = 47,070,601,062.03
  5. Step 5: Solve for x
    x = 47,070,601,062.03/245,773.80
  6. Step 6: Final answer
    x = 191,520.01

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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.