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Finding the Fourth Proportional to 133,559.80, 184,306.80 and 73,129.34

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Solution

The fourth proportional to 133,559.80, 184,306.80 and 73,129.34 is: 100,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,559.80 : 184,306.80 = 73,129.34 : x
  2. Step 2: Convert to fraction form
    133,559.80/184,306.80 = 73,129.34/x
  3. Step 3: Cross multiply
    133,559.80x = 184,306.80 × 73,129.34
  4. Step 4: Simplify right side
    133,559.80x = 13,478,234,641.51
  5. Step 5: Solve for x
    x = 13,478,234,641.51/133,559.80
  6. Step 6: Final answer
    x = 100,915.36

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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.