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Finding the Fourth Proportional to 222,452.79, 333,736.13 and 64,681.29

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Solution

The fourth proportional to 222,452.79, 333,736.13 and 64,681.29 is: 97,038.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,452.79 : 333,736.13 = 64,681.29 : x
  2. Step 2: Convert to fraction form
    222,452.79/333,736.13 = 64,681.29/x
  3. Step 3: Cross multiply
    222,452.79x = 333,736.13 × 64,681.29
  4. Step 4: Simplify right side
    222,452.79x = 21,586,483,569.71
  5. Step 5: Solve for x
    x = 21,586,483,569.71/222,452.79
  6. Step 6: Final answer
    x = 97,038.49

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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.