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Finding the Fourth Proportional to 221,887.08, 332,886.51 and 64,114.47

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Solution

The fourth proportional to 221,887.08, 332,886.51 and 64,114.47 is: 96,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,887.08 : 332,886.51 = 64,114.47 : x
  2. Step 2: Convert to fraction form
    221,887.08/332,886.51 = 64,114.47/x
  3. Step 3: Cross multiply
    221,887.08x = 332,886.51 × 64,114.47
  4. Step 4: Simplify right side
    221,887.08x = 21,342,842,158.80
  5. Step 5: Solve for x
    x = 21,342,842,158.80/221,887.08
  6. Step 6: Final answer
    x = 96,187.85

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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.