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Finding the Fourth Proportional to 134,636.89, 201,948.02 and 41,142.64

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Solution

The fourth proportional to 134,636.89, 201,948.02 and 41,142.64 is: 61,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,636.89 : 201,948.02 = 41,142.64 : x
  2. Step 2: Convert to fraction form
    134,636.89/201,948.02 = 41,142.64/x
  3. Step 3: Cross multiply
    134,636.89x = 201,948.02 × 41,142.64
  4. Step 4: Simplify right side
    134,636.89x = 8,308,674,685.57
  5. Step 5: Solve for x
    x = 8,308,674,685.57/134,636.89
  6. Step 6: Final answer
    x = 61,711.72

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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.