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Finding the Fourth Proportional to 182,970.32, 274,267.56 and 70,620.08

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Solution

The fourth proportional to 182,970.32, 274,267.56 and 70,620.08 is: 105,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,970.32 : 274,267.56 = 70,620.08 : x
  2. Step 2: Convert to fraction form
    182,970.32/274,267.56 = 70,620.08/x
  3. Step 3: Cross multiply
    182,970.32x = 274,267.56 × 70,620.08
  4. Step 4: Simplify right side
    182,970.32x = 19,368,797,028.60
  5. Step 5: Solve for x
    x = 19,368,797,028.60/182,970.32
  6. Step 6: Final answer
    x = 105,857.59

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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.