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Finding the Fourth Proportional to 236,459.97, 354,746.22 and 76,535.90

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Solution

The fourth proportional to 236,459.97, 354,746.22 and 76,535.90 is: 114,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,459.97 : 354,746.22 = 76,535.90 : x
  2. Step 2: Convert to fraction form
    236,459.97/354,746.22 = 76,535.90/x
  3. Step 3: Cross multiply
    236,459.97x = 354,746.22 × 76,535.90
  4. Step 4: Simplify right side
    236,459.97x = 27,150,822,393.17
  5. Step 5: Solve for x
    x = 27,150,822,393.17/236,459.97
  6. Step 6: Final answer
    x = 114,822.07

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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.