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Finding the Fourth Proportional to 221,810.64, 332,667.04 and 64,004.80

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Solution

The fourth proportional to 221,810.64, 332,667.04 and 64,004.80 is: 95,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,810.64 : 332,667.04 = 64,004.80 : x
  2. Step 2: Convert to fraction form
    221,810.64/332,667.04 = 64,004.80/x
  3. Step 3: Cross multiply
    221,810.64x = 332,667.04 × 64,004.80
  4. Step 4: Simplify right side
    221,810.64x = 21,292,287,361.79
  5. Step 5: Solve for x
    x = 21,292,287,361.79/221,810.64
  6. Step 6: Final answer
    x = 95,993.08

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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.