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Finding the Fourth Proportional to 161,937.30, 242,848.35 and 73,233.30

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Solution

The fourth proportional to 161,937.30, 242,848.35 and 73,233.30 is: 109,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,937.30 : 242,848.35 = 73,233.30 : x
  2. Step 2: Convert to fraction form
    161,937.30/242,848.35 = 73,233.30/x
  3. Step 3: Cross multiply
    161,937.30x = 242,848.35 × 73,233.30
  4. Step 4: Simplify right side
    161,937.30x = 17,784,586,070.06
  5. Step 5: Solve for x
    x = 17,784,586,070.06/161,937.30
  6. Step 6: Final answer
    x = 109,823.90

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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.