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Finding the Fourth Proportional to 110,804.90, 153,943.06 and 109,476.29

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Solution

The fourth proportional to 110,804.90, 153,943.06 and 109,476.29 is: 152,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,804.90 : 153,943.06 = 109,476.29 : x
  2. Step 2: Convert to fraction form
    110,804.90/153,943.06 = 109,476.29/x
  3. Step 3: Cross multiply
    110,804.90x = 153,943.06 × 109,476.29
  4. Step 4: Simplify right side
    110,804.90x = 16,853,115,601.75
  5. Step 5: Solve for x
    x = 16,853,115,601.75/110,804.90
  6. Step 6: Final answer
    x = 152,097.21

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.