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Finding the Fourth Proportional to 242,607.98, 363,861.78 and 65,072.76

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Solution

The fourth proportional to 242,607.98, 363,861.78 and 65,072.76 is: 97,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,607.98 : 363,861.78 = 65,072.76 : x
  2. Step 2: Convert to fraction form
    242,607.98/363,861.78 = 65,072.76/x
  3. Step 3: Cross multiply
    242,607.98x = 363,861.78 × 65,072.76
  4. Step 4: Simplify right side
    242,607.98x = 23,677,490,283.11
  5. Step 5: Solve for x
    x = 23,677,490,283.11/242,607.98
  6. Step 6: Final answer
    x = 97,595.68

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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.