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Finding the Fourth Proportional to 242,605.98, 363,858.78 and 65,070.75

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Solution

The fourth proportional to 242,605.98, 363,858.78 and 65,070.75 is: 97,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,605.98 : 363,858.78 = 65,070.75 : x
  2. Step 2: Convert to fraction form
    242,605.98/363,858.78 = 65,070.75/x
  3. Step 3: Cross multiply
    242,605.98x = 363,858.78 × 65,070.75
  4. Step 4: Simplify right side
    242,605.98x = 23,676,563,708.69
  5. Step 5: Solve for x
    x = 23,676,563,708.69/242,605.98
  6. Step 6: Final answer
    x = 97,592.66

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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.