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Finding the Fourth Proportional to 86,336.96, 119,117.59 and 48,603.92

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Solution

The fourth proportional to 86,336.96, 119,117.59 and 48,603.92 is: 67,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,336.96 : 119,117.59 = 48,603.92 : x
  2. Step 2: Convert to fraction form
    86,336.96/119,117.59 = 48,603.92/x
  3. Step 3: Cross multiply
    86,336.96x = 119,117.59 × 48,603.92
  4. Step 4: Simplify right side
    86,336.96x = 5,789,581,097.86
  5. Step 5: Solve for x
    x = 5,789,581,097.86/86,336.96
  6. Step 6: Final answer
    x = 67,057.97

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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.