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Finding the Fourth Proportional to 236,989.59, 327,045.60 and 129,559.59

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Solution

The fourth proportional to 236,989.59, 327,045.60 and 129,559.59 is: 178,792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,989.59 : 327,045.60 = 129,559.59 : x
  2. Step 2: Convert to fraction form
    236,989.59/327,045.60 = 129,559.59/x
  3. Step 3: Cross multiply
    236,989.59x = 327,045.60 × 129,559.59
  4. Step 4: Simplify right side
    236,989.59x = 42,371,893,847.30
  5. Step 5: Solve for x
    x = 42,371,893,847.30/236,989.59
  6. Step 6: Final answer
    x = 178,792.22

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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.