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Finding the Fourth Proportional to 133,354.86, 184,029.70 and 72,925.54

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Solution

The fourth proportional to 133,354.86, 184,029.70 and 72,925.54 is: 100,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,354.86 : 184,029.70 = 72,925.54 : x
  2. Step 2: Convert to fraction form
    133,354.86/184,029.70 = 72,925.54/x
  3. Step 3: Cross multiply
    133,354.86x = 184,029.70 × 72,925.54
  4. Step 4: Simplify right side
    133,354.86x = 13,420,465,248.54
  5. Step 5: Solve for x
    x = 13,420,465,248.54/133,354.86
  6. Step 6: Final answer
    x = 100,637.24

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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.