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Finding the Fourth Proportional to 200,363.92, 300,068.84 and 115,946.12

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Solution

The fourth proportional to 200,363.92, 300,068.84 and 115,946.12 is: 173,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,363.92 : 300,068.84 = 115,946.12 : x
  2. Step 2: Convert to fraction form
    200,363.92/300,068.84 = 115,946.12/x
  3. Step 3: Cross multiply
    200,363.92x = 300,068.84 × 115,946.12
  4. Step 4: Simplify right side
    200,363.92x = 34,791,818,770.94
  5. Step 5: Solve for x
    x = 34,791,818,770.94/200,363.92
  6. Step 6: Final answer
    x = 173,643.13

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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.