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Finding the Fourth Proportional to 97,397.58, 146,186.18 and 49,399.88

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Solution

The fourth proportional to 97,397.58, 146,186.18 and 49,399.88 is: 74,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,397.58 : 146,186.18 = 49,399.88 : x
  2. Step 2: Convert to fraction form
    97,397.58/146,186.18 = 49,399.88/x
  3. Step 3: Cross multiply
    97,397.58x = 146,186.18 × 49,399.88
  4. Step 4: Simplify right side
    97,397.58x = 7,221,578,771.73
  5. Step 5: Solve for x
    x = 7,221,578,771.73/97,397.58
  6. Step 6: Final answer
    x = 74,145.36

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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.