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Finding the Fourth Proportional to 133,685.88, 184,486.51 and 79,973.16

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Solution

The fourth proportional to 133,685.88, 184,486.51 and 79,973.16 is: 110,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,685.88 : 184,486.51 = 79,973.16 : x
  2. Step 2: Convert to fraction form
    133,685.88/184,486.51 = 79,973.16/x
  3. Step 3: Cross multiply
    133,685.88x = 184,486.51 × 79,973.16
  4. Step 4: Simplify right side
    133,685.88x = 14,753,969,182.07
  5. Step 5: Solve for x
    x = 14,753,969,182.07/133,685.88
  6. Step 6: Final answer
    x = 110,362.96

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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.