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Finding the Fourth Proportional to 110,349.06, 152,292.92 and 65,041.60

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Solution

The fourth proportional to 110,349.06, 152,292.92 and 65,041.60 is: 89,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,349.06 : 152,292.92 = 65,041.60 : x
  2. Step 2: Convert to fraction form
    110,349.06/152,292.92 = 65,041.60/x
  3. Step 3: Cross multiply
    110,349.06x = 152,292.92 × 65,041.60
  4. Step 4: Simplify right side
    110,349.06x = 9,905,375,185.47
  5. Step 5: Solve for x
    x = 9,905,375,185.47/110,349.06
  6. Step 6: Final answer
    x = 89,764.02

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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.