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Finding the Fourth Proportional to 135,554.76, 203,359.32 and 46,811.52

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Solution

The fourth proportional to 135,554.76, 203,359.32 and 46,811.52 is: 70,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,554.76 : 203,359.32 = 46,811.52 : x
  2. Step 2: Convert to fraction form
    135,554.76/203,359.32 = 46,811.52/x
  3. Step 3: Cross multiply
    135,554.76x = 203,359.32 × 46,811.52
  4. Step 4: Simplify right side
    135,554.76x = 9,519,558,875.37
  5. Step 5: Solve for x
    x = 9,519,558,875.37/135,554.76
  6. Step 6: Final answer
    x = 70,226.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.