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Finding the Fourth Proportional to 114,580.40, 171,870.60 and 31,482.80

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Solution

The fourth proportional to 114,580.40, 171,870.60 and 31,482.80 is: 47,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,580.40 : 171,870.60 = 31,482.80 : x
  2. Step 2: Convert to fraction form
    114,580.40/171,870.60 = 31,482.80/x
  3. Step 3: Cross multiply
    114,580.40x = 171,870.60 × 31,482.80
  4. Step 4: Simplify right side
    114,580.40x = 5,410,967,725.68
  5. Step 5: Solve for x
    x = 5,410,967,725.68/114,580.40
  6. Step 6: Final answer
    x = 47,224.20

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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.