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Finding the Fourth Proportional to 72,102.34, 108,151.62 and 32,630.68

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Solution

The fourth proportional to 72,102.34, 108,151.62 and 32,630.68 is: 48,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,102.34 : 108,151.62 = 32,630.68 : x
  2. Step 2: Convert to fraction form
    72,102.34/108,151.62 = 32,630.68/x
  3. Step 3: Cross multiply
    72,102.34x = 108,151.62 × 32,630.68
  4. Step 4: Simplify right side
    72,102.34x = 3,529,060,903.70
  5. Step 5: Solve for x
    x = 3,529,060,903.70/72,102.34
  6. Step 6: Final answer
    x = 48,945.16

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1.5x scale

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.