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Finding the Fourth Proportional to 84,670.92, 116,819.28 and 48,856.23

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Solution

The fourth proportional to 84,670.92, 116,819.28 and 48,856.23 is: 67,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,670.92 : 116,819.28 = 48,856.23 : x
  2. Step 2: Convert to fraction form
    84,670.92/116,819.28 = 48,856.23/x
  3. Step 3: Cross multiply
    84,670.92x = 116,819.28 × 48,856.23
  4. Step 4: Simplify right side
    84,670.92x = 5,707,349,612.11
  5. Step 5: Solve for x
    x = 5,707,349,612.11/84,670.92
  6. Step 6: Final answer
    x = 67,406.25

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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.