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Finding the Fourth Proportional to 260,777.57, 359,860.60 and 160,156.13

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Solution

The fourth proportional to 260,777.57, 359,860.60 and 160,156.13 is: 221,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,777.57 : 359,860.60 = 160,156.13 : x
  2. Step 2: Convert to fraction form
    260,777.57/359,860.60 = 160,156.13/x
  3. Step 3: Cross multiply
    260,777.57x = 359,860.60 × 160,156.13
  4. Step 4: Simplify right side
    260,777.57x = 57,633,881,035.48
  5. Step 5: Solve for x
    x = 57,633,881,035.48/260,777.57
  6. Step 6: Final answer
    x = 221,007.82

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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.