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Finding the Fourth Proportional to 110,349.56, 152,293.62 and 65,042.10

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Solution

The fourth proportional to 110,349.56, 152,293.62 and 65,042.10 is: 89,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,349.56 : 152,293.62 = 65,042.10 : x
  2. Step 2: Convert to fraction form
    110,349.56/152,293.62 = 65,042.10/x
  3. Step 3: Cross multiply
    110,349.56x = 152,293.62 × 65,042.10
  4. Step 4: Simplify right side
    110,349.56x = 9,905,496,861.40
  5. Step 5: Solve for x
    x = 9,905,496,861.40/110,349.56
  6. Step 6: Final answer
    x = 89,764.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.