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Finding the Fourth Proportional to 185,991, 279,065.52 and 101,652.65

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Solution

The fourth proportional to 185,991, 279,065.52 and 101,652.65 is: 152,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,991 : 279,065.52 = 101,652.65 : x
  2. Step 2: Convert to fraction form
    185,991/279,065.52 = 101,652.65/x
  3. Step 3: Cross multiply
    185,991x = 279,065.52 × 101,652.65
  4. Step 4: Simplify right side
    185,991x = 28,367,748,236.30
  5. Step 5: Solve for x
    x = 28,367,748,236.30/185,991
  6. Step 6: Final answer
    x = 152,522.16

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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.