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Finding the Fourth Proportional to 222,697.10, 333,614.93 and 138,490.92

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Solution

The fourth proportional to 222,697.10, 333,614.93 and 138,490.92 is: 207,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,697.10 : 333,614.93 = 138,490.92 : x
  2. Step 2: Convert to fraction form
    222,697.10/333,614.93 = 138,490.92/x
  3. Step 3: Cross multiply
    222,697.10x = 333,614.93 × 138,490.92
  4. Step 4: Simplify right side
    222,697.10x = 46,202,637,888.98
  5. Step 5: Solve for x
    x = 46,202,637,888.98/222,697.10
  6. Step 6: Final answer
    x = 207,468.53

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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.