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Finding the Fourth Proportional to 156,570.88, 234,882.40 and 51,361.60

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Solution

The fourth proportional to 156,570.88, 234,882.40 and 51,361.60 is: 77,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,570.88 : 234,882.40 = 51,361.60 : x
  2. Step 2: Convert to fraction form
    156,570.88/234,882.40 = 51,361.60/x
  3. Step 3: Cross multiply
    156,570.88x = 234,882.40 × 51,361.60
  4. Step 4: Simplify right side
    156,570.88x = 12,063,935,875.84
  5. Step 5: Solve for x
    x = 12,063,935,875.84/156,570.88
  6. Step 6: Final answer
    x = 77,050.96

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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.