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Finding the Fourth Proportional to 183,835.82, 253,683.68 and 103,266.74

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Solution

The fourth proportional to 183,835.82, 253,683.68 and 103,266.74 is: 142,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,835.82 : 253,683.68 = 103,266.74 : x
  2. Step 2: Convert to fraction form
    183,835.82/253,683.68 = 103,266.74/x
  3. Step 3: Cross multiply
    183,835.82x = 253,683.68 × 103,266.74
  4. Step 4: Simplify right side
    183,835.82x = 26,197,086,624.80
  5. Step 5: Solve for x
    x = 26,197,086,624.80/183,835.82
  6. Step 6: Final answer
    x = 142,502.62

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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.