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Finding the Fourth Proportional to 119,108.56, 178,656.36 and 34,865.32

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Solution

The fourth proportional to 119,108.56, 178,656.36 and 34,865.32 is: 52,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,108.56 : 178,656.36 = 34,865.32 : x
  2. Step 2: Convert to fraction form
    119,108.56/178,656.36 = 34,865.32/x
  3. Step 3: Cross multiply
    119,108.56x = 178,656.36 × 34,865.32
  4. Step 4: Simplify right side
    119,108.56x = 6,228,911,161.44
  5. Step 5: Solve for x
    x = 6,228,911,161.44/119,108.56
  6. Step 6: Final answer
    x = 52,296.08

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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.