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Finding the Fourth Proportional to 86,808.66, 119,804.88 and 52,819.62

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Solution

The fourth proportional to 86,808.66, 119,804.88 and 52,819.62 is: 72,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,808.66 : 119,804.88 = 52,819.62 : x
  2. Step 2: Convert to fraction form
    86,808.66/119,804.88 = 52,819.62/x
  3. Step 3: Cross multiply
    86,808.66x = 119,804.88 × 52,819.62
  4. Step 4: Simplify right side
    86,808.66x = 6,328,048,235.75
  5. Step 5: Solve for x
    x = 6,328,048,235.75/86,808.66
  6. Step 6: Final answer
    x = 72,896.51

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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.