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Finding the Fourth Proportional to 175,431.80, 263,147.70 and 160,916.60

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Solution

The fourth proportional to 175,431.80, 263,147.70 and 160,916.60 is: 241,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,431.80 : 263,147.70 = 160,916.60 : x
  2. Step 2: Convert to fraction form
    175,431.80/263,147.70 = 160,916.60/x
  3. Step 3: Cross multiply
    175,431.80x = 263,147.70 × 160,916.60
  4. Step 4: Simplify right side
    175,431.80x = 42,344,833,181.82
  5. Step 5: Solve for x
    x = 42,344,833,181.82/175,431.80
  6. Step 6: Final answer
    x = 241,374.90

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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.