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Finding the Fourth Proportional to 191,158.12, 286,795.50 and 97,729.48

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Solution

The fourth proportional to 191,158.12, 286,795.50 and 97,729.48 is: 146,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,158.12 : 286,795.50 = 97,729.48 : x
  2. Step 2: Convert to fraction form
    191,158.12/286,795.50 = 97,729.48/x
  3. Step 3: Cross multiply
    191,158.12x = 286,795.50 × 97,729.48
  4. Step 4: Simplify right side
    191,158.12x = 28,028,375,081.34
  5. Step 5: Solve for x
    x = 28,028,375,081.34/191,158.12
  6. Step 6: Final answer
    x = 146,624.04

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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.