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Finding the Fourth Proportional to 86,281.84, 119,049.24 and 48,542.32

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Solution

The fourth proportional to 86,281.84, 119,049.24 and 48,542.32 is: 66,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,281.84 : 119,049.24 = 48,542.32 : x
  2. Step 2: Convert to fraction form
    86,281.84/119,049.24 = 48,542.32/x
  3. Step 3: Cross multiply
    86,281.84x = 119,049.24 × 48,542.32
  4. Step 4: Simplify right side
    86,281.84x = 5,778,926,303.84
  5. Step 5: Solve for x
    x = 5,778,926,303.84/86,281.84
  6. Step 6: Final answer
    x = 66,977.32

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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.