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Finding the Fourth Proportional to 60,054.54, 89,906.81 and 57,780.06

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Solution

The fourth proportional to 60,054.54, 89,906.81 and 57,780.06 is: 86,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,054.54 : 89,906.81 = 57,780.06 : x
  2. Step 2: Convert to fraction form
    60,054.54/89,906.81 = 57,780.06/x
  3. Step 3: Cross multiply
    60,054.54x = 89,906.81 × 57,780.06
  4. Step 4: Simplify right side
    60,054.54x = 5,194,820,587.31
  5. Step 5: Solve for x
    x = 5,194,820,587.31/60,054.54
  6. Step 6: Final answer
    x = 86,501.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.