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Finding the Fourth Proportional to 351,020.86, 526,530.86 and 114,363.16

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Solution

The fourth proportional to 351,020.86, 526,530.86 and 114,363.16 is: 171,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,020.86 : 526,530.86 = 114,363.16 : x
  2. Step 2: Convert to fraction form
    351,020.86/526,530.86 = 114,363.16/x
  3. Step 3: Cross multiply
    351,020.86x = 526,530.86 × 114,363.16
  4. Step 4: Simplify right side
    351,020.86x = 60,215,732,987.12
  5. Step 5: Solve for x
    x = 60,215,732,987.12/351,020.86
  6. Step 6: Final answer
    x = 171,544.60

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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.