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Finding the Fourth Proportional to 123,094.95, 184,642.40 and 38,914.21

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Solution

The fourth proportional to 123,094.95, 184,642.40 and 38,914.21 is: 58,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,094.95 : 184,642.40 = 38,914.21 : x
  2. Step 2: Convert to fraction form
    123,094.95/184,642.40 = 38,914.21/x
  3. Step 3: Cross multiply
    123,094.95x = 184,642.40 × 38,914.21
  4. Step 4: Simplify right side
    123,094.95x = 7,185,212,933.93
  5. Step 5: Solve for x
    x = 7,185,212,933.93/123,094.95
  6. Step 6: Final answer
    x = 58,371.31

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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.