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Finding the Fourth Proportional to 133,595.48, 184,362 and 72,342.34

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Solution

The fourth proportional to 133,595.48, 184,362 and 72,342.34 is: 99,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,595.48 : 184,362 = 72,342.34 : x
  2. Step 2: Convert to fraction form
    133,595.48/184,362 = 72,342.34/x
  3. Step 3: Cross multiply
    133,595.48x = 184,362 × 72,342.34
  4. Step 4: Simplify right side
    133,595.48x = 13,337,177,565.27
  5. Step 5: Solve for x
    x = 13,337,177,565.27/133,595.48
  6. Step 6: Final answer
    x = 99,832.55

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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.