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Finding the Fourth Proportional to 260,968.54, 360,114.60 and 144,685.12

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Solution

The fourth proportional to 260,968.54, 360,114.60 and 144,685.12 is: 199,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,968.54 : 360,114.60 = 144,685.12 : x
  2. Step 2: Convert to fraction form
    260,968.54/360,114.60 = 144,685.12/x
  3. Step 3: Cross multiply
    260,968.54x = 360,114.60 × 144,685.12
  4. Step 4: Simplify right side
    260,968.54x = 52,103,224,114.75
  5. Step 5: Solve for x
    x = 52,103,224,114.75/260,968.54
  6. Step 6: Final answer
    x = 199,653.28

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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.