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Finding the Fourth Proportional to 191,158.62, 286,796.25 and 97,729.98

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Solution

The fourth proportional to 191,158.62, 286,796.25 and 97,729.98 is: 146,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,158.62 : 286,796.25 = 97,729.98 : x
  2. Step 2: Convert to fraction form
    191,158.62/286,796.25 = 97,729.98/x
  3. Step 3: Cross multiply
    191,158.62x = 286,796.25 × 97,729.98
  4. Step 4: Simplify right side
    191,158.62x = 28,028,591,776.58
  5. Step 5: Solve for x
    x = 28,028,591,776.58/191,158.62
  6. Step 6: Final answer
    x = 146,624.79

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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.