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Finding the Fourth Proportional to 202,732.04, 279,765.30 and 112,085.68

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Solution

The fourth proportional to 202,732.04, 279,765.30 and 112,085.68 is: 154,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,732.04 : 279,765.30 = 112,085.68 : x
  2. Step 2: Convert to fraction form
    202,732.04/279,765.30 = 112,085.68/x
  3. Step 3: Cross multiply
    202,732.04x = 279,765.30 × 112,085.68
  4. Step 4: Simplify right side
    202,732.04x = 31,357,683,890.90
  5. Step 5: Solve for x
    x = 31,357,683,890.90/202,732.04
  6. Step 6: Final answer
    x = 154,675.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.