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Finding the Fourth Proportional to 114,490.60, 171,703.08 and 38,580.87

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Solution

The fourth proportional to 114,490.60, 171,703.08 and 38,580.87 is: 57,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,490.60 : 171,703.08 = 38,580.87 : x
  2. Step 2: Convert to fraction form
    114,490.60/171,703.08 = 38,580.87/x
  3. Step 3: Cross multiply
    114,490.60x = 171,703.08 × 38,580.87
  4. Step 4: Simplify right side
    114,490.60x = 6,624,454,851.97
  5. Step 5: Solve for x
    x = 6,624,454,851.97/114,490.60
  6. Step 6: Final answer
    x = 57,860.25

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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.