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Finding the Fourth Proportional to 219,802.46, 329,700.11 and 70,040.73

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Solution

The fourth proportional to 219,802.46, 329,700.11 and 70,040.73 is: 105,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,802.46 : 329,700.11 = 70,040.73 : x
  2. Step 2: Convert to fraction form
    219,802.46/329,700.11 = 70,040.73/x
  3. Step 3: Cross multiply
    219,802.46x = 329,700.11 × 70,040.73
  4. Step 4: Simplify right side
    219,802.46x = 23,092,436,560.58
  5. Step 5: Solve for x
    x = 23,092,436,560.58/219,802.46
  6. Step 6: Final answer
    x = 105,059.95

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1.5x scale

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.