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Finding the Fourth Proportional to 86,551.86, 119,504.84 and 55,943.07

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Solution

The fourth proportional to 86,551.86, 119,504.84 and 55,943.07 is: 77,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,551.86 : 119,504.84 = 55,943.07 : x
  2. Step 2: Convert to fraction form
    86,551.86/119,504.84 = 55,943.07/x
  3. Step 3: Cross multiply
    86,551.86x = 119,504.84 × 55,943.07
  4. Step 4: Simplify right side
    86,551.86x = 6,685,467,349.74
  5. Step 5: Solve for x
    x = 6,685,467,349.74/86,551.86
  6. Step 6: Final answer
    x = 77,242.33

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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.