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Finding the Fourth Proportional to 161,336.80, 241,972.80 and 77,096.80

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Solution

The fourth proportional to 161,336.80, 241,972.80 and 77,096.80 is: 115,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,336.80 : 241,972.80 = 77,096.80 : x
  2. Step 2: Convert to fraction form
    161,336.80/241,972.80 = 77,096.80/x
  3. Step 3: Cross multiply
    161,336.80x = 241,972.80 × 77,096.80
  4. Step 4: Simplify right side
    161,336.80x = 18,655,328,567.04
  5. Step 5: Solve for x
    x = 18,655,328,567.04/161,336.80
  6. Step 6: Final answer
    x = 115,629.72

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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.