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Finding the Fourth Proportional to 191,017.73, 286,489.53 and 181,534.65

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Solution

The fourth proportional to 191,017.73, 286,489.53 and 181,534.65 is: 272,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,017.73 : 286,489.53 = 181,534.65 : x
  2. Step 2: Convert to fraction form
    191,017.73/286,489.53 = 181,534.65/x
  3. Step 3: Cross multiply
    191,017.73x = 286,489.53 × 181,534.65
  4. Step 4: Simplify right side
    191,017.73x = 52,007,776,557.21
  5. Step 5: Solve for x
    x = 52,007,776,557.21/191,017.73
  6. Step 6: Final answer
    x = 272,266.76

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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.