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Finding the Fourth Proportional to 134,598.60, 201,897.90 and 103,105.80

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Solution

The fourth proportional to 134,598.60, 201,897.90 and 103,105.80 is: 154,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,598.60 : 201,897.90 = 103,105.80 : x
  2. Step 2: Convert to fraction form
    134,598.60/201,897.90 = 103,105.80/x
  3. Step 3: Cross multiply
    134,598.60x = 201,897.90 × 103,105.80
  4. Step 4: Simplify right side
    134,598.60x = 20,816,844,497.82
  5. Step 5: Solve for x
    x = 20,816,844,497.82/134,598.60
  6. Step 6: Final answer
    x = 154,658.70

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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.