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Finding the Fourth Proportional to 134,636.64, 201,947.64 and 41,142.39

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Solution

The fourth proportional to 134,636.64, 201,947.64 and 41,142.39 is: 61,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,636.64 : 201,947.64 = 41,142.39 : x
  2. Step 2: Convert to fraction form
    134,636.64/201,947.64 = 41,142.39/x
  3. Step 3: Cross multiply
    134,636.64x = 201,947.64 × 41,142.39
  4. Step 4: Simplify right side
    134,636.64x = 8,308,608,564.46
  5. Step 5: Solve for x
    x = 8,308,608,564.46/134,636.64
  6. Step 6: Final answer
    x = 61,711.35

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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.