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Finding the Fourth Proportional to 268,756.36, 370,874.44 and 147,886.32

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Solution

The fourth proportional to 268,756.36, 370,874.44 and 147,886.32 is: 204,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,756.36 : 370,874.44 = 147,886.32 : x
  2. Step 2: Convert to fraction form
    268,756.36/370,874.44 = 147,886.32/x
  3. Step 3: Cross multiply
    268,756.36x = 370,874.44 × 147,886.32
  4. Step 4: Simplify right side
    268,756.36x = 54,847,256,113.66
  5. Step 5: Solve for x
    x = 54,847,256,113.66/268,756.36
  6. Step 6: Final answer
    x = 204,077.98

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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.