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Finding the Fourth Proportional to 173,812.60, 260,747.70 and 74,020.60

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Solution

The fourth proportional to 173,812.60, 260,747.70 and 74,020.60 is: 111,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,812.60 : 260,747.70 = 74,020.60 : x
  2. Step 2: Convert to fraction form
    173,812.60/260,747.70 = 74,020.60/x
  3. Step 3: Cross multiply
    173,812.60x = 260,747.70 × 74,020.60
  4. Step 4: Simplify right side
    173,812.60x = 19,300,701,202.62
  5. Step 5: Solve for x
    x = 19,300,701,202.62/173,812.60
  6. Step 6: Final answer
    x = 111,043.16

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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.