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Finding the Fourth Proportional to 260,473.96, 359,454.18 and 145,753.96

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Solution

The fourth proportional to 260,473.96, 359,454.18 and 145,753.96 is: 201,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,473.96 : 359,454.18 = 145,753.96 : x
  2. Step 2: Convert to fraction form
    260,473.96/359,454.18 = 145,753.96/x
  3. Step 3: Cross multiply
    260,473.96x = 359,454.18 × 145,753.96
  4. Step 4: Simplify right side
    260,473.96x = 52,391,870,173.55
  5. Step 5: Solve for x
    x = 52,391,870,173.55/260,473.96
  6. Step 6: Final answer
    x = 201,140.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.