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Finding the Fourth Proportional to 86,506.92, 119,379.96 and 50,697.18

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Solution

The fourth proportional to 86,506.92, 119,379.96 and 50,697.18 is: 69,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,506.92 : 119,379.96 = 50,697.18 : x
  2. Step 2: Convert to fraction form
    86,506.92/119,379.96 = 50,697.18/x
  3. Step 3: Cross multiply
    86,506.92x = 119,379.96 × 50,697.18
  4. Step 4: Simplify right side
    86,506.92x = 6,052,227,320.51
  5. Step 5: Solve for x
    x = 6,052,227,320.51/86,506.92
  6. Step 6: Final answer
    x = 69,962.35

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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.