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Finding the Fourth Proportional to 200,545.78, 300,818.68 and 95,307.34

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Solution

The fourth proportional to 200,545.78, 300,818.68 and 95,307.34 is: 142,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,545.78 : 300,818.68 = 95,307.34 : x
  2. Step 2: Convert to fraction form
    200,545.78/300,818.68 = 95,307.34/x
  3. Step 3: Cross multiply
    200,545.78x = 300,818.68 × 95,307.34
  4. Step 4: Simplify right side
    200,545.78x = 28,670,228,213.11
  5. Step 5: Solve for x
    x = 28,670,228,213.11/200,545.78
  6. Step 6: Final answer
    x = 142,961.01

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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.