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Finding the Fourth Proportional to 221,860.68, 332,742.06 and 64,054.80

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Solution

The fourth proportional to 221,860.68, 332,742.06 and 64,054.80 is: 96,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,860.68 : 332,742.06 = 64,054.80 : x
  2. Step 2: Convert to fraction form
    221,860.68/332,742.06 = 64,054.80/x
  3. Step 3: Cross multiply
    221,860.68x = 332,742.06 × 64,054.80
  4. Step 4: Simplify right side
    221,860.68x = 21,313,726,104.89
  5. Step 5: Solve for x
    x = 21,313,726,104.89/221,860.68
  6. Step 6: Final answer
    x = 96,068.06

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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.