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Finding the Fourth Proportional to 134,615.60, 201,733.07 and 74,670.53

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Solution

The fourth proportional to 134,615.60, 201,733.07 and 74,670.53 is: 111,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,615.60 : 201,733.07 = 74,670.53 : x
  2. Step 2: Convert to fraction form
    134,615.60/201,733.07 = 74,670.53/x
  3. Step 3: Cross multiply
    134,615.60x = 201,733.07 × 74,670.53
  4. Step 4: Simplify right side
    134,615.60x = 15,063,515,015.99
  5. Step 5: Solve for x
    x = 15,063,515,015.99/134,615.60
  6. Step 6: Final answer
    x = 111,900.22

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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.