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Finding the Fourth Proportional to 184,762.72, 255,041.88 and 121,104.62

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Solution

The fourth proportional to 184,762.72, 255,041.88 and 121,104.62 is: 167,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,762.72 : 255,041.88 = 121,104.62 : x
  2. Step 2: Convert to fraction form
    184,762.72/255,041.88 = 121,104.62/x
  3. Step 3: Cross multiply
    184,762.72x = 255,041.88 × 121,104.62
  4. Step 4: Simplify right side
    184,762.72x = 30,886,748,686.28
  5. Step 5: Solve for x
    x = 30,886,748,686.28/184,762.72
  6. Step 6: Final answer
    x = 167,169.81

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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.