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Finding the Fourth Proportional to 234,702.87, 352,017.09 and 74,758.05

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Solution

The fourth proportional to 234,702.87, 352,017.09 and 74,758.05 is: 112,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,702.87 : 352,017.09 = 74,758.05 : x
  2. Step 2: Convert to fraction form
    234,702.87/352,017.09 = 74,758.05/x
  3. Step 3: Cross multiply
    234,702.87x = 352,017.09 × 74,758.05
  4. Step 4: Simplify right side
    234,702.87x = 26,316,111,215.07
  5. Step 5: Solve for x
    x = 26,316,111,215.07/234,702.87
  6. Step 6: Final answer
    x = 112,125.22

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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.