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Finding the Fourth Proportional to 104,856.80, 157,307.04 and 34,741.60

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Solution

The fourth proportional to 104,856.80, 157,307.04 and 34,741.60 is: 52,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,856.80 : 157,307.04 = 34,741.60 : x
  2. Step 2: Convert to fraction form
    104,856.80/157,307.04 = 34,741.60/x
  3. Step 3: Cross multiply
    104,856.80x = 157,307.04 × 34,741.60
  4. Step 4: Simplify right side
    104,856.80x = 5,465,098,260.86
  5. Step 5: Solve for x
    x = 5,465,098,260.86/104,856.80
  6. Step 6: Final answer
    x = 52,119.64

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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.