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Finding the Fourth Proportional to 133,758.89, 184,582.31 and 72,503.76

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Solution

The fourth proportional to 133,758.89, 184,582.31 and 72,503.76 is: 100,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,758.89 : 184,582.31 = 72,503.76 : x
  2. Step 2: Convert to fraction form
    133,758.89/184,582.31 = 72,503.76/x
  3. Step 3: Cross multiply
    133,758.89x = 184,582.31 × 72,503.76
  4. Step 4: Simplify right side
    133,758.89x = 13,382,911,504.49
  5. Step 5: Solve for x
    x = 13,382,911,504.49/133,758.89
  6. Step 6: Final answer
    x = 100,052.50

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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.