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Finding the Fourth Proportional to 162,053.46, 243,080.19 and 43,724.80

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Solution

The fourth proportional to 162,053.46, 243,080.19 and 43,724.80 is: 65,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,053.46 : 243,080.19 = 43,724.80 : x
  2. Step 2: Convert to fraction form
    162,053.46/243,080.19 = 43,724.80/x
  3. Step 3: Cross multiply
    162,053.46x = 243,080.19 × 43,724.80
  4. Step 4: Simplify right side
    162,053.46x = 10,628,632,188.92
  5. Step 5: Solve for x
    x = 10,628,632,188.92/162,053.46
  6. Step 6: Final answer
    x = 65,587.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.