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Finding the Fourth Proportional to 164,435.20, 246,652.80 and 148,688.80

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Solution

The fourth proportional to 164,435.20, 246,652.80 and 148,688.80 is: 223,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,435.20 : 246,652.80 = 148,688.80 : x
  2. Step 2: Convert to fraction form
    164,435.20/246,652.80 = 148,688.80/x
  3. Step 3: Cross multiply
    164,435.20x = 246,652.80 × 148,688.80
  4. Step 4: Simplify right side
    164,435.20x = 36,674,508,848.64
  5. Step 5: Solve for x
    x = 36,674,508,848.64/164,435.20
  6. Step 6: Final answer
    x = 223,033.20

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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.