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Finding the Fourth Proportional to 101,055.67, 151,583.50 and 30,925.87

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Solution

The fourth proportional to 101,055.67, 151,583.50 and 30,925.87 is: 46,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,055.67 : 151,583.50 = 30,925.87 : x
  2. Step 2: Convert to fraction form
    101,055.67/151,583.50 = 30,925.87/x
  3. Step 3: Cross multiply
    101,055.67x = 151,583.50 × 30,925.87
  4. Step 4: Simplify right side
    101,055.67x = 4,687,851,274.84
  5. Step 5: Solve for x
    x = 4,687,851,274.84/101,055.67
  6. Step 6: Final answer
    x = 46,388.80

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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.