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Finding the Fourth Proportional to 99,498.84, 149,224.86 and 63,852.36

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Solution

The fourth proportional to 99,498.84, 149,224.86 and 63,852.36 is: 95,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,498.84 : 149,224.86 = 63,852.36 : x
  2. Step 2: Convert to fraction form
    99,498.84/149,224.86 = 63,852.36/x
  3. Step 3: Cross multiply
    99,498.84x = 149,224.86 × 63,852.36
  4. Step 4: Simplify right side
    99,498.84x = 9,528,359,481.67
  5. Step 5: Solve for x
    x = 9,528,359,481.67/99,498.84
  6. Step 6: Final answer
    x = 95,763.52

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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.