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Finding the Fourth Proportional to 110,051.60, 165,077.40 and 103,490.60

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Solution

The fourth proportional to 110,051.60, 165,077.40 and 103,490.60 is: 155,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,051.60 : 165,077.40 = 103,490.60 : x
  2. Step 2: Convert to fraction form
    110,051.60/165,077.40 = 103,490.60/x
  3. Step 3: Cross multiply
    110,051.60x = 165,077.40 × 103,490.60
  4. Step 4: Simplify right side
    110,051.60x = 17,083,959,172.44
  5. Step 5: Solve for x
    x = 17,083,959,172.44/110,051.60
  6. Step 6: Final answer
    x = 155,235.90

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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.