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Finding the Fourth Proportional to 223,239.90, 334,905.98 and 73,489.17

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Solution

The fourth proportional to 223,239.90, 334,905.98 and 73,489.17 is: 110,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,239.90 : 334,905.98 = 73,489.17 : x
  2. Step 2: Convert to fraction form
    223,239.90/334,905.98 = 73,489.17/x
  3. Step 3: Cross multiply
    223,239.90x = 334,905.98 × 73,489.17
  4. Step 4: Simplify right side
    223,239.90x = 24,611,963,386.69
  5. Step 5: Solve for x
    x = 24,611,963,386.69/223,239.90
  6. Step 6: Final answer
    x = 110,248.95

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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.