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Finding the Fourth Proportional to 260,976.54, 360,125.64 and 144,693.12

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Solution

The fourth proportional to 260,976.54, 360,125.64 and 144,693.12 is: 199,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,976.54 : 360,125.64 = 144,693.12 : x
  2. Step 2: Convert to fraction form
    260,976.54/360,125.64 = 144,693.12/x
  3. Step 3: Cross multiply
    260,976.54x = 360,125.64 × 144,693.12
  4. Step 4: Simplify right side
    260,976.54x = 52,107,702,443.60
  5. Step 5: Solve for x
    x = 52,107,702,443.60/260,976.54
  6. Step 6: Final answer
    x = 199,664.32

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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.