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Finding the Fourth Proportional to 97,054, 133,940.76 and 58,839.76

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Solution

The fourth proportional to 97,054, 133,940.76 and 58,839.76 is: 81,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,054 : 133,940.76 = 58,839.76 : x
  2. Step 2: Convert to fraction form
    97,054/133,940.76 = 58,839.76/x
  3. Step 3: Cross multiply
    97,054x = 133,940.76 × 58,839.76
  4. Step 4: Simplify right side
    97,054x = 7,881,042,172.62
  5. Step 5: Solve for x
    x = 7,881,042,172.62/97,054
  6. Step 6: Final answer
    x = 81,202.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.