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Finding the Fourth Proportional to 86,477.80, 119,325.64 and 48,744.76

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Solution

The fourth proportional to 86,477.80, 119,325.64 and 48,744.76 is: 67,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,477.80 : 119,325.64 = 48,744.76 : x
  2. Step 2: Convert to fraction form
    86,477.80/119,325.64 = 48,744.76/x
  3. Step 3: Cross multiply
    86,477.80x = 119,325.64 × 48,744.76
  4. Step 4: Simplify right side
    86,477.80x = 5,816,499,683.65
  5. Step 5: Solve for x
    x = 5,816,499,683.65/86,477.80
  6. Step 6: Final answer
    x = 67,260.03

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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.