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Finding the Fourth Proportional to 86,359.92, 119,174.90 and 48,119.32

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Solution

The fourth proportional to 86,359.92, 119,174.90 and 48,119.32 is: 66,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,359.92 : 119,174.90 = 48,119.32 : x
  2. Step 2: Convert to fraction form
    86,359.92/119,174.90 = 48,119.32/x
  3. Step 3: Cross multiply
    86,359.92x = 119,174.90 × 48,119.32
  4. Step 4: Simplify right side
    86,359.92x = 5,734,615,149.07
  5. Step 5: Solve for x
    x = 5,734,615,149.07/86,359.92
  6. Step 6: Final answer
    x = 66,403.66

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1.5x scale

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.