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Finding the Fourth Proportional to 133,622.96, 184,523.64 and 100,030.64

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Solution

The fourth proportional to 133,622.96, 184,523.64 and 100,030.64 is: 138,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,622.96 : 184,523.64 = 100,030.64 : x
  2. Step 2: Convert to fraction form
    133,622.96/184,523.64 = 100,030.64/x
  3. Step 3: Cross multiply
    133,622.96x = 184,523.64 × 100,030.64
  4. Step 4: Simplify right side
    133,622.96x = 18,458,017,804.33
  5. Step 5: Solve for x
    x = 18,458,017,804.33/133,622.96
  6. Step 6: Final answer
    x = 138,135.08

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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.