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Finding the Fourth Proportional to 133,807.80, 184,657.30 and 73,374.84

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Solution

The fourth proportional to 133,807.80, 184,657.30 and 73,374.84 is: 101,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,807.80 : 184,657.30 = 73,374.84 : x
  2. Step 2: Convert to fraction form
    133,807.80/184,657.30 = 73,374.84/x
  3. Step 3: Cross multiply
    133,807.80x = 184,657.30 × 73,374.84
  4. Step 4: Simplify right side
    133,807.80x = 13,549,199,242.73
  5. Step 5: Solve for x
    x = 13,549,199,242.73/133,807.80
  6. Step 6: Final answer
    x = 101,258.67

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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.