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Finding the Fourth Proportional to 242,793.36, 364,244.16 and 74,337.30

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Solution

The fourth proportional to 242,793.36, 364,244.16 and 74,337.30 is: 111,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,793.36 : 364,244.16 = 74,337.30 : x
  2. Step 2: Convert to fraction form
    242,793.36/364,244.16 = 74,337.30/x
  3. Step 3: Cross multiply
    242,793.36x = 364,244.16 × 74,337.30
  4. Step 4: Simplify right side
    242,793.36x = 27,076,927,395.17
  5. Step 5: Solve for x
    x = 27,076,927,395.17/242,793.36
  6. Step 6: Final answer
    x = 111,522.52

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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.