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Finding the Fourth Proportional to 101,303.73, 151,955.64 and 26,423.78

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Solution

The fourth proportional to 101,303.73, 151,955.64 and 26,423.78 is: 39,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,303.73 : 151,955.64 = 26,423.78 : x
  2. Step 2: Convert to fraction form
    101,303.73/151,955.64 = 26,423.78/x
  3. Step 3: Cross multiply
    101,303.73x = 151,955.64 × 26,423.78
  4. Step 4: Simplify right side
    101,303.73x = 4,015,241,641.34
  5. Step 5: Solve for x
    x = 4,015,241,641.34/101,303.73
  6. Step 6: Final answer
    x = 39,635.67

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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.