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Finding the Fourth Proportional to 201,739.15, 302,648.60 and 59,586.90

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Solution

The fourth proportional to 201,739.15, 302,648.60 and 59,586.90 is: 89,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,739.15 : 302,648.60 = 59,586.90 : x
  2. Step 2: Convert to fraction form
    201,739.15/302,648.60 = 59,586.90/x
  3. Step 3: Cross multiply
    201,739.15x = 302,648.60 × 59,586.90
  4. Step 4: Simplify right side
    201,739.15x = 18,033,891,863.34
  5. Step 5: Solve for x
    x = 18,033,891,863.34/201,739.15
  6. Step 6: Final answer
    x = 89,392.13

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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.