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Finding the Fourth Proportional to 171,237.40, 256,875.30 and 52,907.80

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Solution

The fourth proportional to 171,237.40, 256,875.30 and 52,907.80 is: 79,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,237.40 : 256,875.30 = 52,907.80 : x
  2. Step 2: Convert to fraction form
    171,237.40/256,875.30 = 52,907.80/x
  3. Step 3: Cross multiply
    171,237.40x = 256,875.30 × 52,907.80
  4. Step 4: Simplify right side
    171,237.40x = 13,590,706,997.34
  5. Step 5: Solve for x
    x = 13,590,706,997.34/171,237.40
  6. Step 6: Final answer
    x = 79,367.63

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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.