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Finding the Fourth Proportional to 242,599.60, 363,899.40 and 136,311.40

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Solution

The fourth proportional to 242,599.60, 363,899.40 and 136,311.40 is: 204,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,599.60 : 363,899.40 = 136,311.40 : x
  2. Step 2: Convert to fraction form
    242,599.60/363,899.40 = 136,311.40/x
  3. Step 3: Cross multiply
    242,599.60x = 363,899.40 × 136,311.40
  4. Step 4: Simplify right side
    242,599.60x = 49,603,636,673.16
  5. Step 5: Solve for x
    x = 49,603,636,673.16/242,599.60
  6. Step 6: Final answer
    x = 204,467.10

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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.