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Finding the Fourth Proportional to 86,472.52, 119,332.08 and 48,746.77

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Solution

The fourth proportional to 86,472.52, 119,332.08 and 48,746.77 is: 67,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,472.52 : 119,332.08 = 48,746.77 : x
  2. Step 2: Convert to fraction form
    86,472.52/119,332.08 = 48,746.77/x
  3. Step 3: Cross multiply
    86,472.52x = 119,332.08 × 48,746.77
  4. Step 4: Simplify right side
    86,472.52x = 5,817,052,976.25
  5. Step 5: Solve for x
    x = 5,817,052,976.25/86,472.52
  6. Step 6: Final answer
    x = 67,270.54

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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.