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Finding the Fourth Proportional to 158,610.30, 237,977.72 and 69,801.51

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Solution

The fourth proportional to 158,610.30, 237,977.72 and 69,801.51 is: 104,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,610.30 : 237,977.72 = 69,801.51 : x
  2. Step 2: Convert to fraction form
    158,610.30/237,977.72 = 69,801.51/x
  3. Step 3: Cross multiply
    158,610.30x = 237,977.72 × 69,801.51
  4. Step 4: Simplify right side
    158,610.30x = 16,611,204,953.95
  5. Step 5: Solve for x
    x = 16,611,204,953.95/158,610.30
  6. Step 6: Final answer
    x = 104,729.67

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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.