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Finding the Fourth Proportional to 133,503.73, 184,233.59 and 72,248.50

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Solution

The fourth proportional to 133,503.73, 184,233.59 and 72,248.50 is: 99,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,503.73 : 184,233.59 = 72,248.50 : x
  2. Step 2: Convert to fraction form
    133,503.73/184,233.59 = 72,248.50/x
  3. Step 3: Cross multiply
    133,503.73x = 184,233.59 × 72,248.50
  4. Step 4: Simplify right side
    133,503.73x = 13,310,600,527.12
  5. Step 5: Solve for x
    x = 13,310,600,527.12/133,503.73
  6. Step 6: Final answer
    x = 99,702.09

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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.