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Finding the Fourth Proportional to 221,699.77, 332,598.84 and 63,915.91

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Solution

The fourth proportional to 221,699.77, 332,598.84 and 63,915.91 is: 95,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,699.77 : 332,598.84 = 63,915.91 : x
  2. Step 2: Convert to fraction form
    221,699.77/332,598.84 = 63,915.91/x
  3. Step 3: Cross multiply
    221,699.77x = 332,598.84 × 63,915.91
  4. Step 4: Simplify right side
    221,699.77x = 21,258,357,523.54
  5. Step 5: Solve for x
    x = 21,258,357,523.54/221,699.77
  6. Step 6: Final answer
    x = 95,888.05

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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.