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Finding the Fourth Proportional to 223,349.62, 308,294.31 and 142,993.57

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Solution

The fourth proportional to 223,349.62, 308,294.31 and 142,993.57 is: 197,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,349.62 : 308,294.31 = 142,993.57 : x
  2. Step 2: Convert to fraction form
    223,349.62/308,294.31 = 142,993.57/x
  3. Step 3: Cross multiply
    223,349.62x = 308,294.31 × 142,993.57
  4. Step 4: Simplify right side
    223,349.62x = 44,084,104,114.84
  5. Step 5: Solve for x
    x = 44,084,104,114.84/223,349.62
  6. Step 6: Final answer
    x = 197,377.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.