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Finding the Fourth Proportional to 114,291.56, 171,332.34 and 39,393.92

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Solution

The fourth proportional to 114,291.56, 171,332.34 and 39,393.92 is: 59,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,291.56 : 171,332.34 = 39,393.92 : x
  2. Step 2: Convert to fraction form
    114,291.56/171,332.34 = 39,393.92/x
  3. Step 3: Cross multiply
    114,291.56x = 171,332.34 × 39,393.92
  4. Step 4: Simplify right side
    114,291.56x = 6,749,452,495.37
  5. Step 5: Solve for x
    x = 6,749,452,495.37/114,291.56
  6. Step 6: Final answer
    x = 59,054.69

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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.