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Finding the Fourth Proportional to 114,490.54, 171,707.81 and 89,468.53

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Solution

The fourth proportional to 114,490.54, 171,707.81 and 89,468.53 is: 134,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,490.54 : 171,707.81 = 89,468.53 : x
  2. Step 2: Convert to fraction form
    114,490.54/171,707.81 = 89,468.53/x
  3. Step 3: Cross multiply
    114,490.54x = 171,707.81 × 89,468.53
  4. Step 4: Simplify right side
    114,490.54x = 15,362,444,473.61
  5. Step 5: Solve for x
    x = 15,362,444,473.61/114,490.54
  6. Step 6: Final answer
    x = 134,180.91

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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.