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Finding the Fourth Proportional to 133,462.44, 184,244.76 and 76,862.88

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Solution

The fourth proportional to 133,462.44, 184,244.76 and 76,862.88 is: 106,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,462.44 : 184,244.76 = 76,862.88 : x
  2. Step 2: Convert to fraction form
    133,462.44/184,244.76 = 76,862.88/x
  3. Step 3: Cross multiply
    133,462.44x = 184,244.76 × 76,862.88
  4. Step 4: Simplify right side
    133,462.44x = 14,161,582,878.51
  5. Step 5: Solve for x
    x = 14,161,582,878.51/133,462.44
  6. Step 6: Final answer
    x = 106,109.13

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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.