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Finding the Fourth Proportional to 162,183.60, 243,140.94 and 99,722.88

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Solution

The fourth proportional to 162,183.60, 243,140.94 and 99,722.88 is: 149,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,183.60 : 243,140.94 = 99,722.88 : x
  2. Step 2: Convert to fraction form
    162,183.60/243,140.94 = 99,722.88/x
  3. Step 3: Cross multiply
    162,183.60x = 243,140.94 × 99,722.88
  4. Step 4: Simplify right side
    162,183.60x = 24,246,714,782.71
  5. Step 5: Solve for x
    x = 24,246,714,782.71/162,183.60
  6. Step 6: Final answer
    x = 149,501.64

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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.