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Finding the Fourth Proportional to 222,608.96, 307,200.72 and 130,710.48

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Solution

The fourth proportional to 222,608.96, 307,200.72 and 130,710.48 is: 180,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,608.96 : 307,200.72 = 130,710.48 : x
  2. Step 2: Convert to fraction form
    222,608.96/307,200.72 = 130,710.48/x
  3. Step 3: Cross multiply
    222,608.96x = 307,200.72 × 130,710.48
  4. Step 4: Simplify right side
    222,608.96x = 40,154,353,567.55
  5. Step 5: Solve for x
    x = 40,154,353,567.55/222,608.96
  6. Step 6: Final answer
    x = 180,380.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.