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Finding the Fourth Proportional to 222,442.30, 333,681.66 and 64,670.56

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Solution

The fourth proportional to 222,442.30, 333,681.66 and 64,670.56 is: 97,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,442.30 : 333,681.66 = 64,670.56 : x
  2. Step 2: Convert to fraction form
    222,442.30/333,681.66 = 64,670.56/x
  3. Step 3: Cross multiply
    222,442.30x = 333,681.66 × 64,670.56
  4. Step 4: Simplify right side
    222,442.30x = 21,579,379,813.93
  5. Step 5: Solve for x
    x = 21,579,379,813.93/222,442.30
  6. Step 6: Final answer
    x = 97,011.13

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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.