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Finding the Fourth Proportional to 219,833.01, 329,773.41 and 70,038.09

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Solution

The fourth proportional to 219,833.01, 329,773.41 and 70,038.09 is: 105,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,833.01 : 329,773.41 = 70,038.09 : x
  2. Step 2: Convert to fraction form
    219,833.01/329,773.41 = 70,038.09/x
  3. Step 3: Cross multiply
    219,833.01x = 329,773.41 × 70,038.09
  4. Step 4: Simplify right side
    219,833.01x = 23,096,699,769.19
  5. Step 5: Solve for x
    x = 23,096,699,769.19/219,833.01
  6. Step 6: Final answer
    x = 105,064.75

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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.