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Finding the Fourth Proportional to 219,833.04, 329,773.44 and 70,038.12

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Solution

The fourth proportional to 219,833.04, 329,773.44 and 70,038.12 is: 105,064.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,833.04 : 329,773.44 = 70,038.12 : x
  2. Step 2: Convert to fraction form
    219,833.04/329,773.44 = 70,038.12/x
  3. Step 3: Cross multiply
    219,833.04x = 329,773.44 × 70,038.12
  4. Step 4: Simplify right side
    219,833.04x = 23,096,711,763.53
  5. Step 5: Solve for x
    x = 23,096,711,763.53/219,833.04
  6. Step 6: Final answer
    x = 105,064.79

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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.