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Finding the Fourth Proportional to 222,570.30, 333,855.45 and 133,778.10

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Solution

The fourth proportional to 222,570.30, 333,855.45 and 133,778.10 is: 200,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,570.30 : 333,855.45 = 133,778.10 : x
  2. Step 2: Convert to fraction form
    222,570.30/333,855.45 = 133,778.10/x
  3. Step 3: Cross multiply
    222,570.30x = 333,855.45 × 133,778.10
  4. Step 4: Simplify right side
    222,570.30x = 44,662,547,775.65
  5. Step 5: Solve for x
    x = 44,662,547,775.65/222,570.30
  6. Step 6: Final answer
    x = 200,667.15

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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.