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Finding the Fourth Proportional to 110,696.40, 152,800.44 and 65,374.56

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Solution

The fourth proportional to 110,696.40, 152,800.44 and 65,374.56 is: 90,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,696.40 : 152,800.44 = 65,374.56 : x
  2. Step 2: Convert to fraction form
    110,696.40/152,800.44 = 65,374.56/x
  3. Step 3: Cross multiply
    110,696.40x = 152,800.44 × 65,374.56
  4. Step 4: Simplify right side
    110,696.40x = 9,989,261,532.81
  5. Step 5: Solve for x
    x = 9,989,261,532.81/110,696.40
  6. Step 6: Final answer
    x = 90,240.17

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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.