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Finding the Fourth Proportional to 242,607.34, 363,663.15 and 84,705.94

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Solution

The fourth proportional to 242,607.34, 363,663.15 and 84,705.94 is: 126,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,607.34 : 363,663.15 = 84,705.94 : x
  2. Step 2: Convert to fraction form
    242,607.34/363,663.15 = 84,705.94/x
  3. Step 3: Cross multiply
    242,607.34x = 363,663.15 × 84,705.94
  4. Step 4: Simplify right side
    242,607.34x = 30,804,428,964.11
  5. Step 5: Solve for x
    x = 30,804,428,964.11/242,607.34
  6. Step 6: Final answer
    x = 126,972.37

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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.