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Finding the Fourth Proportional to 221,007.96, 331,509.60 and 94,541.04

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Solution

The fourth proportional to 221,007.96, 331,509.60 and 94,541.04 is: 141,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,007.96 : 331,509.60 = 94,541.04 : x
  2. Step 2: Convert to fraction form
    221,007.96/331,509.60 = 94,541.04/x
  3. Step 3: Cross multiply
    221,007.96x = 331,509.60 × 94,541.04
  4. Step 4: Simplify right side
    221,007.96x = 31,341,262,353.98
  5. Step 5: Solve for x
    x = 31,341,262,353.98/221,007.96
  6. Step 6: Final answer
    x = 141,810.56

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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.