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Finding the Fourth Proportional to 134,628.32, 201,978.84 and 41,131.52

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Solution

The fourth proportional to 134,628.32, 201,978.84 and 41,131.52 is: 61,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,628.32 : 201,978.84 = 41,131.52 : x
  2. Step 2: Convert to fraction form
    134,628.32/201,978.84 = 41,131.52/x
  3. Step 3: Cross multiply
    134,628.32x = 201,978.84 × 41,131.52
  4. Step 4: Simplify right side
    134,628.32x = 8,307,696,697.04
  5. Step 5: Solve for x
    x = 8,307,696,697.04/134,628.32
  6. Step 6: Final answer
    x = 61,708.39

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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.