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Finding the Fourth Proportional to 260,124.75, 359,017.84 and 151,262.78

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Solution

The fourth proportional to 260,124.75, 359,017.84 and 151,262.78 is: 208,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,124.75 : 359,017.84 = 151,262.78 : x
  2. Step 2: Convert to fraction form
    260,124.75/359,017.84 = 151,262.78/x
  3. Step 3: Cross multiply
    260,124.75x = 359,017.84 × 151,262.78
  4. Step 4: Simplify right side
    260,124.75x = 54,306,035,615.14
  5. Step 5: Solve for x
    x = 54,306,035,615.14/260,124.75
  6. Step 6: Final answer
    x = 208,769.20

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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.