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Finding the Fourth Proportional to 134,611.90, 201,916.05 and 41,118.10

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Solution

The fourth proportional to 134,611.90, 201,916.05 and 41,118.10 is: 61,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,611.90 : 201,916.05 = 41,118.10 : x
  2. Step 2: Convert to fraction form
    134,611.90/201,916.05 = 41,118.10/x
  3. Step 3: Cross multiply
    134,611.90x = 201,916.05 × 41,118.10
  4. Step 4: Simplify right side
    134,611.90x = 8,302,404,335.51
  5. Step 5: Solve for x
    x = 8,302,404,335.51/134,611.90
  6. Step 6: Final answer
    x = 61,676.60

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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.