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Finding the Fourth Proportional to 101,008.80, 151,499.76 and 73,062.24

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Solution

The fourth proportional to 101,008.80, 151,499.76 and 73,062.24 is: 109,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,008.80 : 151,499.76 = 73,062.24 : x
  2. Step 2: Convert to fraction form
    101,008.80/151,499.76 = 73,062.24/x
  3. Step 3: Cross multiply
    101,008.80x = 151,499.76 × 73,062.24
  4. Step 4: Simplify right side
    101,008.80x = 11,068,911,825.06
  5. Step 5: Solve for x
    x = 11,068,911,825.06/101,008.80
  6. Step 6: Final answer
    x = 109,583.64

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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.