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Finding the Fourth Proportional to 177,069.70, 265,592.40 and 57,124.90

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Solution

The fourth proportional to 177,069.70, 265,592.40 and 57,124.90 is: 85,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,069.70 : 265,592.40 = 57,124.90 : x
  2. Step 2: Convert to fraction form
    177,069.70/265,592.40 = 57,124.90/x
  3. Step 3: Cross multiply
    177,069.70x = 265,592.40 × 57,124.90
  4. Step 4: Simplify right side
    177,069.70x = 15,171,939,290.76
  5. Step 5: Solve for x
    x = 15,171,939,290.76/177,069.70
  6. Step 6: Final answer
    x = 85,683.43

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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.