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Finding the Fourth Proportional to 242,699.30, 364,101.50 and 92,939.60

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Solution

The fourth proportional to 242,699.30, 364,101.50 and 92,939.60 is: 139,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,699.30 : 364,101.50 = 92,939.60 : x
  2. Step 2: Convert to fraction form
    242,699.30/364,101.50 = 92,939.60/x
  3. Step 3: Cross multiply
    242,699.30x = 364,101.50 × 92,939.60
  4. Step 4: Simplify right side
    242,699.30x = 33,839,445,484.19
  5. Step 5: Solve for x
    x = 33,839,445,484.19/242,699.30
  6. Step 6: Final answer
    x = 139,429.52

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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.