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Finding the Fourth Proportional to 333,817.50, 500,805 and 109,177.06

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Solution

The fourth proportional to 333,817.50, 500,805 and 109,177.06 is: 163,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,817.50 : 500,805 = 109,177.06 : x
  2. Step 2: Convert to fraction form
    333,817.50/500,805 = 109,177.06/x
  3. Step 3: Cross multiply
    333,817.50x = 500,805 × 109,177.06
  4. Step 4: Simplify right side
    333,817.50x = 54,676,417,533.30
  5. Step 5: Solve for x
    x = 54,676,417,533.30/333,817.50
  6. Step 6: Final answer
    x = 163,791.35

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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.