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Finding the Fourth Proportional to 221,999.63, 332,970.59 and 88,881.20

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Solution

The fourth proportional to 221,999.63, 332,970.59 and 88,881.20 is: 133,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,999.63 : 332,970.59 = 88,881.20 : x
  2. Step 2: Convert to fraction form
    221,999.63/332,970.59 = 88,881.20/x
  3. Step 3: Cross multiply
    221,999.63x = 332,970.59 × 88,881.20
  4. Step 4: Simplify right side
    221,999.63x = 29,594,823,939.06
  5. Step 5: Solve for x
    x = 29,594,823,939.06/221,999.63
  6. Step 6: Final answer
    x = 133,310.24

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1.5x scale

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.