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Finding the Fourth Proportional to 97,455.79, 146,065.96 and 47,460.97

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Solution

The fourth proportional to 97,455.79, 146,065.96 and 47,460.97 is: 71,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,455.79 : 146,065.96 = 47,460.97 : x
  2. Step 2: Convert to fraction form
    97,455.79/146,065.96 = 47,460.97/x
  3. Step 3: Cross multiply
    97,455.79x = 146,065.96 × 47,460.97
  4. Step 4: Simplify right side
    97,455.79x = 6,932,432,145.58
  5. Step 5: Solve for x
    x = 6,932,432,145.58/97,455.79
  6. Step 6: Final answer
    x = 71,134.12

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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.