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Finding the Fourth Proportional to 123,151.57, 184,800.31 and 52,070.32

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Solution

The fourth proportional to 123,151.57, 184,800.31 and 52,070.32 is: 78,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,151.57 : 184,800.31 = 52,070.32 : x
  2. Step 2: Convert to fraction form
    123,151.57/184,800.31 = 52,070.32/x
  3. Step 3: Cross multiply
    123,151.57x = 184,800.31 × 52,070.32
  4. Step 4: Simplify right side
    123,151.57x = 9,622,610,685.62
  5. Step 5: Solve for x
    x = 9,622,610,685.62/123,151.57
  6. Step 6: Final answer
    x = 78,136.32

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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.