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Finding the Fourth Proportional to 134,682.19, 201,994.91 and 39,913.21

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Solution

The fourth proportional to 134,682.19, 201,994.91 and 39,913.21 is: 59,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,682.19 : 201,994.91 = 39,913.21 : x
  2. Step 2: Convert to fraction form
    134,682.19/201,994.91 = 39,913.21/x
  3. Step 3: Cross multiply
    134,682.19x = 201,994.91 × 39,913.21
  4. Step 4: Simplify right side
    134,682.19x = 8,062,264,552.65
  5. Step 5: Solve for x
    x = 8,062,264,552.65/134,682.19
  6. Step 6: Final answer
    x = 59,861.40

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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.