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Finding the Fourth Proportional to 86,324.61, 119,119.44 and 48,082.87

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Solution

The fourth proportional to 86,324.61, 119,119.44 and 48,082.87 is: 66,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,324.61 : 119,119.44 = 48,082.87 : x
  2. Step 2: Convert to fraction form
    86,324.61/119,119.44 = 48,082.87/x
  3. Step 3: Cross multiply
    86,324.61x = 119,119.44 × 48,082.87
  4. Step 4: Simplify right side
    86,324.61x = 5,727,604,547.99
  5. Step 5: Solve for x
    x = 5,727,604,547.99/86,324.61
  6. Step 6: Final answer
    x = 66,349.61

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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.