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Finding the Fourth Proportional to 260,617.60, 359,690.88 and 165,133.18

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Solution

The fourth proportional to 260,617.60, 359,690.88 and 165,133.18 is: 227,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,617.60 : 359,690.88 = 165,133.18 : x
  2. Step 2: Convert to fraction form
    260,617.60/359,690.88 = 165,133.18/x
  3. Step 3: Cross multiply
    260,617.60x = 359,690.88 × 165,133.18
  4. Step 4: Simplify right side
    260,617.60x = 59,396,898,831.40
  5. Step 5: Solve for x
    x = 59,396,898,831.40/260,617.60
  6. Step 6: Final answer
    x = 227,908.24

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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.