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Finding the Fourth Proportional to 242,598.60, 363,897.90 and 136,310.40

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Solution

The fourth proportional to 242,598.60, 363,897.90 and 136,310.40 is: 204,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,598.60 : 363,897.90 = 136,310.40 : x
  2. Step 2: Convert to fraction form
    242,598.60/363,897.90 = 136,310.40/x
  3. Step 3: Cross multiply
    242,598.60x = 363,897.90 × 136,310.40
  4. Step 4: Simplify right side
    242,598.60x = 49,603,068,308.16
  5. Step 5: Solve for x
    x = 49,603,068,308.16/242,598.60
  6. Step 6: Final answer
    x = 204,465.60

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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.