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Finding the Fourth Proportional to 260,909.85, 360,049.14 and 146,193.21

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Solution

The fourth proportional to 260,909.85, 360,049.14 and 146,193.21 is: 201,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,909.85 : 360,049.14 = 146,193.21 : x
  2. Step 2: Convert to fraction form
    260,909.85/360,049.14 = 146,193.21/x
  3. Step 3: Cross multiply
    260,909.85x = 360,049.14 × 146,193.21
  4. Step 4: Simplify right side
    260,909.85x = 52,636,739,534.34
  5. Step 5: Solve for x
    x = 52,636,739,534.34/260,909.85
  6. Step 6: Final answer
    x = 201,743.01

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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.