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Finding the Fourth Proportional to 184,861.92, 255,111.93 and 104,289.21

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Solution

The fourth proportional to 184,861.92, 255,111.93 and 104,289.21 is: 143,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,861.92 : 255,111.93 = 104,289.21 : x
  2. Step 2: Convert to fraction form
    184,861.92/255,111.93 = 104,289.21/x
  3. Step 3: Cross multiply
    184,861.92x = 255,111.93 × 104,289.21
  4. Step 4: Simplify right side
    184,861.92x = 26,605,421,641.28
  5. Step 5: Solve for x
    x = 26,605,421,641.28/184,861.92
  6. Step 6: Final answer
    x = 143,920.51

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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.