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Finding the Fourth Proportional to 183,807.68, 253,624.08 and 108,345.92

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Solution

The fourth proportional to 183,807.68, 253,624.08 and 108,345.92 is: 149,499.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,807.68 : 253,624.08 = 108,345.92 : x
  2. Step 2: Convert to fraction form
    183,807.68/253,624.08 = 108,345.92/x
  3. Step 3: Cross multiply
    183,807.68x = 253,624.08 × 108,345.92
  4. Step 4: Simplify right side
    183,807.68x = 27,479,134,281.75
  5. Step 5: Solve for x
    x = 27,479,134,281.75/183,807.68
  6. Step 6: Final answer
    x = 149,499.38

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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.