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Finding the Fourth Proportional to 314,246.25, 471,379.91 and 124,741.89

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Solution

The fourth proportional to 314,246.25, 471,379.91 and 124,741.89 is: 187,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,246.25 : 471,379.91 = 124,741.89 : x
  2. Step 2: Convert to fraction form
    314,246.25/471,379.91 = 124,741.89/x
  3. Step 3: Cross multiply
    314,246.25x = 471,379.91 × 124,741.89
  4. Step 4: Simplify right side
    314,246.25x = 58,800,820,257.72
  5. Step 5: Solve for x
    x = 58,800,820,257.72/314,246.25
  6. Step 6: Final answer
    x = 187,117.01

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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.