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Finding the Fourth Proportional to 123,000.70, 184,501.05 and 44,122.90

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Solution

The fourth proportional to 123,000.70, 184,501.05 and 44,122.90 is: 66,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,000.70 : 184,501.05 = 44,122.90 : x
  2. Step 2: Convert to fraction form
    123,000.70/184,501.05 = 44,122.90/x
  3. Step 3: Cross multiply
    123,000.70x = 184,501.05 × 44,122.90
  4. Step 4: Simplify right side
    123,000.70x = 8,140,721,379.05
  5. Step 5: Solve for x
    x = 8,140,721,379.05/123,000.70
  6. Step 6: Final answer
    x = 66,184.35

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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.