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Finding the Fourth Proportional to 260,776.32, 359,858.88 and 160,154.88

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Solution

The fourth proportional to 260,776.32, 359,858.88 and 160,154.88 is: 221,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,776.32 : 359,858.88 = 160,154.88 : x
  2. Step 2: Convert to fraction form
    260,776.32/359,858.88 = 160,154.88/x
  3. Step 3: Cross multiply
    260,776.32x = 359,858.88 × 160,154.88
  4. Step 4: Simplify right side
    260,776.32x = 57,633,155,743.33
  5. Step 5: Solve for x
    x = 57,633,155,743.33/260,776.32
  6. Step 6: Final answer
    x = 221,006.09

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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.