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Finding the Fourth Proportional to 133,483.98, 184,216.43 and 76,894.38

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Solution

The fourth proportional to 133,483.98, 184,216.43 and 76,894.38 is: 106,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,483.98 : 184,216.43 = 76,894.38 : x
  2. Step 2: Convert to fraction form
    133,483.98/184,216.43 = 76,894.38/x
  3. Step 3: Cross multiply
    133,483.98x = 184,216.43 × 76,894.38
  4. Step 4: Simplify right side
    133,483.98x = 14,165,208,170.66
  5. Step 5: Solve for x
    x = 14,165,208,170.66/133,483.98
  6. Step 6: Final answer
    x = 106,119.16

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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.