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Finding the Fourth Proportional to 219,773.79, 329,642.46 and 70,008.03

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Solution

The fourth proportional to 219,773.79, 329,642.46 and 70,008.03 is: 105,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,773.79 : 329,642.46 = 70,008.03 : x
  2. Step 2: Convert to fraction form
    219,773.79/329,642.46 = 70,008.03/x
  3. Step 3: Cross multiply
    219,773.79x = 329,642.46 × 70,008.03
  4. Step 4: Simplify right side
    219,773.79x = 23,077,619,228.95
  5. Step 5: Solve for x
    x = 23,077,619,228.95/219,773.79
  6. Step 6: Final answer
    x = 105,006.24

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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.