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Finding the Fourth Proportional to 101,113.40, 151,785.30 and 59,583.80

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Solution

The fourth proportional to 101,113.40, 151,785.30 and 59,583.80 is: 89,443.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,113.40 : 151,785.30 = 59,583.80 : x
  2. Step 2: Convert to fraction form
    101,113.40/151,785.30 = 59,583.80/x
  3. Step 3: Cross multiply
    101,113.40x = 151,785.30 × 59,583.80
  4. Step 4: Simplify right side
    101,113.40x = 9,043,944,958.14
  5. Step 5: Solve for x
    x = 9,043,944,958.14/101,113.40
  6. Step 6: Final answer
    x = 89,443.58

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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.