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Finding the Fourth Proportional to 134,448.80, 201,235.80 and 104,705.60

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Solution

The fourth proportional to 134,448.80, 201,235.80 and 104,705.60 is: 156,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,448.80 : 201,235.80 = 104,705.60 : x
  2. Step 2: Convert to fraction form
    134,448.80/201,235.80 = 104,705.60/x
  3. Step 3: Cross multiply
    134,448.80x = 201,235.80 × 104,705.60
  4. Step 4: Simplify right side
    134,448.80x = 21,070,515,180.48
  5. Step 5: Solve for x
    x = 21,070,515,180.48/134,448.80
  6. Step 6: Final answer
    x = 156,717.76

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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.