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Finding the Fourth Proportional to 104,695.88, 157,059.36 and 48,541.64

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Solution

The fourth proportional to 104,695.88, 157,059.36 and 48,541.64 is: 72,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,695.88 : 157,059.36 = 48,541.64 : x
  2. Step 2: Convert to fraction form
    104,695.88/157,059.36 = 48,541.64/x
  3. Step 3: Cross multiply
    104,695.88x = 157,059.36 × 48,541.64
  4. Step 4: Simplify right side
    104,695.88x = 7,623,918,911.75
  5. Step 5: Solve for x
    x = 7,623,918,911.75/104,695.88
  6. Step 6: Final answer
    x = 72,819.67

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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.