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Finding the Fourth Proportional to 260,775.32, 359,857.50 and 160,153.88

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Solution

The fourth proportional to 260,775.32, 359,857.50 and 160,153.88 is: 221,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,775.32 : 359,857.50 = 160,153.88 : x
  2. Step 2: Convert to fraction form
    260,775.32/359,857.50 = 160,153.88/x
  3. Step 3: Cross multiply
    260,775.32x = 359,857.50 × 160,153.88
  4. Step 4: Simplify right side
    260,775.32x = 57,632,574,872.10
  5. Step 5: Solve for x
    x = 57,632,574,872.10/260,775.32
  6. Step 6: Final answer
    x = 221,004.71

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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.