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Finding the Fourth Proportional to 136,793.51, 205,180.02 and 48,047.80

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Solution

The fourth proportional to 136,793.51, 205,180.02 and 48,047.80 is: 72,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,793.51 : 205,180.02 = 48,047.80 : x
  2. Step 2: Convert to fraction form
    136,793.51/205,180.02 = 48,047.80/x
  3. Step 3: Cross multiply
    136,793.51x = 205,180.02 × 48,047.80
  4. Step 4: Simplify right side
    136,793.51x = 9,858,448,564.96
  5. Step 5: Solve for x
    x = 9,858,448,564.96/136,793.51
  6. Step 6: Final answer
    x = 72,068.10

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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.