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Finding the Fourth Proportional to 104,298.10, 156,119.10 and 101,017.60

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Solution

The fourth proportional to 104,298.10, 156,119.10 and 101,017.60 is: 151,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,298.10 : 156,119.10 = 101,017.60 : x
  2. Step 2: Convert to fraction form
    104,298.10/156,119.10 = 101,017.60/x
  3. Step 3: Cross multiply
    104,298.10x = 156,119.10 × 101,017.60
  4. Step 4: Simplify right side
    104,298.10x = 15,770,776,796.16
  5. Step 5: Solve for x
    x = 15,770,776,796.16/104,298.10
  6. Step 6: Final answer
    x = 151,208.67

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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.