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Finding the Fourth Proportional to 219,916.71, 329,901.03 and 70,104.49

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Solution

The fourth proportional to 219,916.71, 329,901.03 and 70,104.49 is: 105,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,916.71 : 329,901.03 = 70,104.49 : x
  2. Step 2: Convert to fraction form
    219,916.71/329,901.03 = 70,104.49/x
  3. Step 3: Cross multiply
    219,916.71x = 329,901.03 × 70,104.49
  4. Step 4: Simplify right side
    219,916.71x = 23,127,542,633.87
  5. Step 5: Solve for x
    x = 23,127,542,633.87/219,916.71
  6. Step 6: Final answer
    x = 105,165.01

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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.