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Finding the Fourth Proportional to 119,202.10, 178,788.96 and 39,220.22

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Solution

The fourth proportional to 119,202.10, 178,788.96 and 39,220.22 is: 58,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,202.10 : 178,788.96 = 39,220.22 : x
  2. Step 2: Convert to fraction form
    119,202.10/178,788.96 = 39,220.22/x
  3. Step 3: Cross multiply
    119,202.10x = 178,788.96 × 39,220.22
  4. Step 4: Simplify right side
    119,202.10x = 7,012,142,344.77
  5. Step 5: Solve for x
    x = 7,012,142,344.77/119,202.10
  6. Step 6: Final answer
    x = 58,825.66

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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.