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Finding the Fourth Proportional to 161,373.40, 242,061.82 and 49,071.88

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Solution

The fourth proportional to 161,373.40, 242,061.82 and 49,071.88 is: 73,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,373.40 : 242,061.82 = 49,071.88 : x
  2. Step 2: Convert to fraction form
    161,373.40/242,061.82 = 49,071.88/x
  3. Step 3: Cross multiply
    161,373.40x = 242,061.82 × 49,071.88
  4. Step 4: Simplify right side
    161,373.40x = 11,878,428,583.62
  5. Step 5: Solve for x
    x = 11,878,428,583.62/161,373.40
  6. Step 6: Final answer
    x = 73,608.34

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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.