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Finding the Fourth Proportional to 219,594.79, 329,397.66 and 61,822.18

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Solution

The fourth proportional to 219,594.79, 329,397.66 and 61,822.18 is: 92,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,594.79 : 329,397.66 = 61,822.18 : x
  2. Step 2: Convert to fraction form
    219,594.79/329,397.66 = 61,822.18/x
  3. Step 3: Cross multiply
    219,594.79x = 329,397.66 × 61,822.18
  4. Step 4: Simplify right side
    219,594.79x = 20,364,081,118.99
  5. Step 5: Solve for x
    x = 20,364,081,118.99/219,594.79
  6. Step 6: Final answer
    x = 92,734.81

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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.