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Finding the Fourth Proportional to 242,278.90, 363,390.10 and 64,799.90

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Solution

The fourth proportional to 242,278.90, 363,390.10 and 64,799.90 is: 97,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,278.90 : 363,390.10 = 64,799.90 : x
  2. Step 2: Convert to fraction form
    242,278.90/363,390.10 = 64,799.90/x
  3. Step 3: Cross multiply
    242,278.90x = 363,390.10 × 64,799.90
  4. Step 4: Simplify right side
    242,278.90x = 23,547,641,524.75
  5. Step 5: Solve for x
    x = 23,547,641,524.75/242,278.90
  6. Step 6: Final answer
    x = 97,192.29

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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.