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Finding the Fourth Proportional to 188,353.35, 282,197.93 and 99,410.90

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Solution

The fourth proportional to 188,353.35, 282,197.93 and 99,410.90 is: 148,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,353.35 : 282,197.93 = 99,410.90 : x
  2. Step 2: Convert to fraction form
    188,353.35/282,197.93 = 99,410.90/x
  3. Step 3: Cross multiply
    188,353.35x = 282,197.93 × 99,410.90
  4. Step 4: Simplify right side
    188,353.35x = 28,053,548,291.39
  5. Step 5: Solve for x
    x = 28,053,548,291.39/188,353.35
  6. Step 6: Final answer
    x = 148,941.06

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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.