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Finding the Fourth Proportional to 219,677.22, 329,515.74 and 61,885.08

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Solution

The fourth proportional to 219,677.22, 329,515.74 and 61,885.08 is: 92,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,677.22 : 329,515.74 = 61,885.08 : x
  2. Step 2: Convert to fraction form
    219,677.22/329,515.74 = 61,885.08/x
  3. Step 3: Cross multiply
    219,677.22x = 329,515.74 × 61,885.08
  4. Step 4: Simplify right side
    219,677.22x = 20,392,107,931.16
  5. Step 5: Solve for x
    x = 20,392,107,931.16/219,677.22
  6. Step 6: Final answer
    x = 92,827.59

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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.