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Finding the Fourth Proportional to 191,815.76, 264,700.64 and 111,238.24

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Solution

The fourth proportional to 191,815.76, 264,700.64 and 111,238.24 is: 153,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,815.76 : 264,700.64 = 111,238.24 : x
  2. Step 2: Convert to fraction form
    191,815.76/264,700.64 = 111,238.24/x
  3. Step 3: Cross multiply
    191,815.76x = 264,700.64 × 111,238.24
  4. Step 4: Simplify right side
    191,815.76x = 29,444,833,320.47
  5. Step 5: Solve for x
    x = 29,444,833,320.47/191,815.76
  6. Step 6: Final answer
    x = 153,505.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.