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Finding the Fourth Proportional to 186,652.53, 257,586.57 and 104,994.96

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Solution

The fourth proportional to 186,652.53, 257,586.57 and 104,994.96 is: 144,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,652.53 : 257,586.57 = 104,994.96 : x
  2. Step 2: Convert to fraction form
    186,652.53/257,586.57 = 104,994.96/x
  3. Step 3: Cross multiply
    186,652.53x = 257,586.57 × 104,994.96
  4. Step 4: Simplify right side
    186,652.53x = 27,045,291,613.69
  5. Step 5: Solve for x
    x = 27,045,291,613.69/186,652.53
  6. Step 6: Final answer
    x = 144,896.46

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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.