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Finding the Fourth Proportional to 177,025.60, 266,056.80 and 173,915.20

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Solution

The fourth proportional to 177,025.60, 266,056.80 and 173,915.20 is: 261,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,025.60 : 266,056.80 = 173,915.20 : x
  2. Step 2: Convert to fraction form
    177,025.60/266,056.80 = 173,915.20/x
  3. Step 3: Cross multiply
    177,025.60x = 266,056.80 × 173,915.20
  4. Step 4: Simplify right side
    177,025.60x = 46,271,321,583.36
  5. Step 5: Solve for x
    x = 46,271,321,583.36/177,025.60
  6. Step 6: Final answer
    x = 261,382.09

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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.