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Finding the Fourth Proportional to 222,415.16, 333,671.73 and 64,655.91

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Solution

The fourth proportional to 222,415.16, 333,671.73 and 64,655.91 is: 96,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,415.16 : 333,671.73 = 64,655.91 : x
  2. Step 2: Convert to fraction form
    222,415.16/333,671.73 = 64,655.91/x
  3. Step 3: Cross multiply
    222,415.16x = 333,671.73 × 64,655.91
  4. Step 4: Simplify right side
    222,415.16x = 21,573,849,344.42
  5. Step 5: Solve for x
    x = 21,573,849,344.42/222,415.16
  6. Step 6: Final answer
    x = 96,998.11

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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.