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Finding the Fourth Proportional to 133,957, 184,860.66 and 74,341

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Solution

The fourth proportional to 133,957, 184,860.66 and 74,341 is: 102,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,957 : 184,860.66 = 74,341 : x
  2. Step 2: Convert to fraction form
    133,957/184,860.66 = 74,341/x
  3. Step 3: Cross multiply
    133,957x = 184,860.66 × 74,341
  4. Step 4: Simplify right side
    133,957x = 13,742,726,325.06
  5. Step 5: Solve for x
    x = 13,742,726,325.06/133,957
  6. Step 6: Final answer
    x = 102,590.58

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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.