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Finding the Fourth Proportional to 86,475.52, 119,336.25 and 48,749.77

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Solution

The fourth proportional to 86,475.52, 119,336.25 and 48,749.77 is: 67,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,475.52 : 119,336.25 = 48,749.77 : x
  2. Step 2: Convert to fraction form
    86,475.52/119,336.25 = 48,749.77/x
  3. Step 3: Cross multiply
    86,475.52x = 119,336.25 × 48,749.77
  4. Step 4: Simplify right side
    86,475.52x = 5,817,614,740.16
  5. Step 5: Solve for x
    x = 5,817,614,740.16/86,475.52
  6. Step 6: Final answer
    x = 67,274.70

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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.