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Finding the Fourth Proportional to 86,626, 119,543.94 and 46,882

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Solution

The fourth proportional to 86,626, 119,543.94 and 46,882 is: 64,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,626 : 119,543.94 = 46,882 : x
  2. Step 2: Convert to fraction form
    86,626/119,543.94 = 46,882/x
  3. Step 3: Cross multiply
    86,626x = 119,543.94 × 46,882
  4. Step 4: Simplify right side
    86,626x = 5,604,458,995.08
  5. Step 5: Solve for x
    x = 5,604,458,995.08/86,626
  6. Step 6: Final answer
    x = 64,697.19

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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.