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Finding the Fourth Proportional to 100,292.78, 150,254.64 and 62,845.87

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Solution

The fourth proportional to 100,292.78, 150,254.64 and 62,845.87 is: 94,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,292.78 : 150,254.64 = 62,845.87 : x
  2. Step 2: Convert to fraction form
    100,292.78/150,254.64 = 62,845.87/x
  3. Step 3: Cross multiply
    100,292.78x = 150,254.64 × 62,845.87
  4. Step 4: Simplify right side
    100,292.78x = 9,442,883,258.11
  5. Step 5: Solve for x
    x = 9,442,883,258.11/100,292.78
  6. Step 6: Final answer
    x = 94,153.17

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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.