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Finding the Fourth Proportional to 260,797.12, 359,873.76 and 147,600.16

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Solution

The fourth proportional to 260,797.12, 359,873.76 and 147,600.16 is: 203,673.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,797.12 : 359,873.76 = 147,600.16 : x
  2. Step 2: Convert to fraction form
    260,797.12/359,873.76 = 147,600.16/x
  3. Step 3: Cross multiply
    260,797.12x = 359,873.76 × 147,600.16
  4. Step 4: Simplify right side
    260,797.12x = 53,117,424,555.80
  5. Step 5: Solve for x
    x = 53,117,424,555.80/260,797.12
  6. Step 6: Final answer
    x = 203,673.36

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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.