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Finding the Fourth Proportional to 199,569.87, 299,354.79 and 73,162.34

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Solution

The fourth proportional to 199,569.87, 299,354.79 and 73,162.34 is: 109,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,569.87 : 299,354.79 = 73,162.34 : x
  2. Step 2: Convert to fraction form
    199,569.87/299,354.79 = 73,162.34/x
  3. Step 3: Cross multiply
    199,569.87x = 299,354.79 × 73,162.34
  4. Step 4: Simplify right side
    199,569.87x = 21,901,495,991.12
  5. Step 5: Solve for x
    x = 21,901,495,991.12/199,569.87
  6. Step 6: Final answer
    x = 109,743.50

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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.