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Finding the Fourth Proportional to 86,509.01, 119,382.47 and 48,783.26

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Solution

The fourth proportional to 86,509.01, 119,382.47 and 48,783.26 is: 67,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,509.01 : 119,382.47 = 48,783.26 : x
  2. Step 2: Convert to fraction form
    86,509.01/119,382.47 = 48,783.26/x
  3. Step 3: Cross multiply
    86,509.01x = 119,382.47 × 48,783.26
  4. Step 4: Simplify right side
    86,509.01x = 5,823,865,829.54
  5. Step 5: Solve for x
    x = 5,823,865,829.54/86,509.01
  6. Step 6: Final answer
    x = 67,320.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.