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Finding the Fourth Proportional to 199,385.73, 299,123.10 and 73,023.30

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Solution

The fourth proportional to 199,385.73, 299,123.10 and 73,023.30 is: 109,551.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,385.73 : 299,123.10 = 73,023.30 : x
  2. Step 2: Convert to fraction form
    199,385.73/299,123.10 = 73,023.30/x
  3. Step 3: Cross multiply
    199,385.73x = 299,123.10 × 73,023.30
  4. Step 4: Simplify right side
    199,385.73x = 21,842,955,868.23
  5. Step 5: Solve for x
    x = 21,842,955,868.23/199,385.73
  6. Step 6: Final answer
    x = 109,551.25

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1.5x scale

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.