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Finding the Fourth Proportional to 234,000.68, 322,920 and 126,570.98

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Solution

The fourth proportional to 234,000.68, 322,920 and 126,570.98 is: 174,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,000.68 : 322,920 = 126,570.98 : x
  2. Step 2: Convert to fraction form
    234,000.68/322,920 = 126,570.98/x
  3. Step 3: Cross multiply
    234,000.68x = 322,920 × 126,570.98
  4. Step 4: Simplify right side
    234,000.68x = 40,872,300,861.60
  5. Step 5: Solve for x
    x = 40,872,300,861.60/234,000.68
  6. Step 6: Final answer
    x = 174,667.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.