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Finding the Fourth Proportional to 133,682.78, 184,482.28 and 73,252.93

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Solution

The fourth proportional to 133,682.78, 184,482.28 and 73,252.93 is: 101,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,682.78 : 184,482.28 = 73,252.93 : x
  2. Step 2: Convert to fraction form
    133,682.78/184,482.28 = 73,252.93/x
  3. Step 3: Cross multiply
    133,682.78x = 184,482.28 × 73,252.93
  4. Step 4: Simplify right side
    133,682.78x = 13,513,867,543.08
  5. Step 5: Solve for x
    x = 13,513,867,543.08/133,682.78
  6. Step 6: Final answer
    x = 101,089.07

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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.