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Finding the Fourth Proportional to 222,545.16, 333,416.39 and 137,007.16

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Solution

The fourth proportional to 222,545.16, 333,416.39 and 137,007.16 is: 205,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,545.16 : 333,416.39 = 137,007.16 : x
  2. Step 2: Convert to fraction form
    222,545.16/333,416.39 = 137,007.16/x
  3. Step 3: Cross multiply
    222,545.16x = 333,416.39 × 137,007.16
  4. Step 4: Simplify right side
    222,545.16x = 45,680,431,172.78
  5. Step 5: Solve for x
    x = 45,680,431,172.78/222,545.16
  6. Step 6: Final answer
    x = 205,263.65

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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.