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Finding the Fourth Proportional to 234,540.50, 351,810.76 and 57,047.63

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Solution

The fourth proportional to 234,540.50, 351,810.76 and 57,047.63 is: 85,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,540.50 : 351,810.76 = 57,047.63 : x
  2. Step 2: Convert to fraction form
    234,540.50/351,810.76 = 57,047.63/x
  3. Step 3: Cross multiply
    234,540.50x = 351,810.76 × 57,047.63
  4. Step 4: Simplify right side
    234,540.50x = 20,069,970,803.41
  5. Step 5: Solve for x
    x = 20,069,970,803.41/234,540.50
  6. Step 6: Final answer
    x = 85,571.45

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1.5x scale

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.