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Finding the Fourth Proportional to 184,645.57, 255,021.08 and 124,111.12

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Solution

The fourth proportional to 184,645.57, 255,021.08 and 124,111.12 is: 171,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,645.57 : 255,021.08 = 124,111.12 : x
  2. Step 2: Convert to fraction form
    184,645.57/255,021.08 = 124,111.12/x
  3. Step 3: Cross multiply
    184,645.57x = 255,021.08 × 124,111.12
  4. Step 4: Simplify right side
    184,645.57x = 31,650,952,409.38
  5. Step 5: Solve for x
    x = 31,650,952,409.38/184,645.57
  6. Step 6: Final answer
    x = 171,414.63

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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.