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Finding the Fourth Proportional to 184,130.95, 275,944.44 and 139,115.30

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Solution

The fourth proportional to 184,130.95, 275,944.44 and 139,115.30 is: 208,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,130.95 : 275,944.44 = 139,115.30 : x
  2. Step 2: Convert to fraction form
    184,130.95/275,944.44 = 139,115.30/x
  3. Step 3: Cross multiply
    184,130.95x = 275,944.44 × 139,115.30
  4. Step 4: Simplify right side
    184,130.95x = 38,388,092,687.32
  5. Step 5: Solve for x
    x = 38,388,092,687.32/184,130.95
  6. Step 6: Final answer
    x = 208,482.57

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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.