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Finding the Fourth Proportional to 133,678.78, 184,476.76 and 73,248.93

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Solution

The fourth proportional to 133,678.78, 184,476.76 and 73,248.93 is: 101,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,678.78 : 184,476.76 = 73,248.93 : x
  2. Step 2: Convert to fraction form
    133,678.78/184,476.76 = 73,248.93/x
  3. Step 3: Cross multiply
    133,678.78x = 184,476.76 × 73,248.93
  4. Step 4: Simplify right side
    133,678.78x = 13,512,725,279.87
  5. Step 5: Solve for x
    x = 13,512,725,279.87/133,678.78
  6. Step 6: Final answer
    x = 101,083.55

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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.