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Finding the Fourth Proportional to 119,242.59, 178,622.35 and 55,109.62

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Solution

The fourth proportional to 119,242.59, 178,622.35 and 55,109.62 is: 82,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,242.59 : 178,622.35 = 55,109.62 : x
  2. Step 2: Convert to fraction form
    119,242.59/178,622.35 = 55,109.62/x
  3. Step 3: Cross multiply
    119,242.59x = 178,622.35 × 55,109.62
  4. Step 4: Simplify right side
    119,242.59x = 9,843,809,832.01
  5. Step 5: Solve for x
    x = 9,843,809,832.01/119,242.59
  6. Step 6: Final answer
    x = 82,552.80

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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.