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Finding the Fourth Proportional to 86,299.60, 119,081.06 and 50,482.84

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Solution

The fourth proportional to 86,299.60, 119,081.06 and 50,482.84 is: 69,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,299.60 : 119,081.06 = 50,482.84 : x
  2. Step 2: Convert to fraction form
    86,299.60/119,081.06 = 50,482.84/x
  3. Step 3: Cross multiply
    86,299.60x = 119,081.06 × 50,482.84
  4. Step 4: Simplify right side
    86,299.60x = 6,011,549,846.60
  5. Step 5: Solve for x
    x = 6,011,549,846.60/86,299.60
  6. Step 6: Final answer
    x = 69,659.07

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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.