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Finding the Fourth Proportional to 134,553.60, 201,830.40 and 103,060.80

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Solution

The fourth proportional to 134,553.60, 201,830.40 and 103,060.80 is: 154,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,553.60 : 201,830.40 = 103,060.80 : x
  2. Step 2: Convert to fraction form
    134,553.60/201,830.40 = 103,060.80/x
  3. Step 3: Cross multiply
    134,553.60x = 201,830.40 × 103,060.80
  4. Step 4: Simplify right side
    134,553.60x = 20,800,802,488.32
  5. Step 5: Solve for x
    x = 20,800,802,488.32/134,553.60
  6. Step 6: Final answer
    x = 154,591.20

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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.