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Finding the Fourth Proportional to 198,368.72, 273,832.63 and 133,925.25

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Solution

The fourth proportional to 198,368.72, 273,832.63 and 133,925.25 is: 184,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,368.72 : 273,832.63 = 133,925.25 : x
  2. Step 2: Convert to fraction form
    198,368.72/273,832.63 = 133,925.25/x
  3. Step 3: Cross multiply
    198,368.72x = 273,832.63 × 133,925.25
  4. Step 4: Simplify right side
    198,368.72x = 36,673,103,430.91
  5. Step 5: Solve for x
    x = 36,673,103,430.91/198,368.72
  6. Step 6: Final answer
    x = 184,873.42

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1.5x scale

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.