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Finding the Fourth Proportional to 222,356.94, 333,832.47 and 127,681.71

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Solution

The fourth proportional to 222,356.94, 333,832.47 and 127,681.71 is: 191,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,356.94 : 333,832.47 = 127,681.71 : x
  2. Step 2: Convert to fraction form
    222,356.94/333,832.47 = 127,681.71/x
  3. Step 3: Cross multiply
    222,356.94x = 333,832.47 × 127,681.71
  4. Step 4: Simplify right side
    222,356.94x = 42,624,300,623.12
  5. Step 5: Solve for x
    x = 42,624,300,623.12/222,356.94
  6. Step 6: Final answer
    x = 191,693.14

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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.