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Finding the Fourth Proportional to 357,747.60, 536,867.44 and 147,385.54

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Solution

The fourth proportional to 357,747.60, 536,867.44 and 147,385.54 is: 221,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,747.60 : 536,867.44 = 147,385.54 : x
  2. Step 2: Convert to fraction form
    357,747.60/536,867.44 = 147,385.54/x
  3. Step 3: Cross multiply
    357,747.60x = 536,867.44 × 147,385.54
  4. Step 4: Simplify right side
    357,747.60x = 79,126,497,552.82
  5. Step 5: Solve for x
    x = 79,126,497,552.82/357,747.60
  6. Step 6: Final answer
    x = 221,179.67

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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.