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Finding the Fourth Proportional to 219,800.43, 329,697.01 and 70,038.68

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Solution

The fourth proportional to 219,800.43, 329,697.01 and 70,038.68 is: 105,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,800.43 : 329,697.01 = 70,038.68 : x
  2. Step 2: Convert to fraction form
    219,800.43/329,697.01 = 70,038.68/x
  3. Step 3: Cross multiply
    219,800.43x = 329,697.01 × 70,038.68
  4. Step 4: Simplify right side
    219,800.43x = 23,091,543,380.35
  5. Step 5: Solve for x
    x = 23,091,543,380.35/219,800.43
  6. Step 6: Final answer
    x = 105,056.86

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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.