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Finding the Fourth Proportional to 156,270.94, 234,412.88 and 45,462.94

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Solution

The fourth proportional to 156,270.94, 234,412.88 and 45,462.94 is: 68,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,270.94 : 234,412.88 = 45,462.94 : x
  2. Step 2: Convert to fraction form
    156,270.94/234,412.88 = 45,462.94/x
  3. Step 3: Cross multiply
    156,270.94x = 234,412.88 × 45,462.94
  4. Step 4: Simplify right side
    156,270.94x = 10,657,098,698.67
  5. Step 5: Solve for x
    x = 10,657,098,698.67/156,270.94
  6. Step 6: Final answer
    x = 68,196.29

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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.