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Finding the Fourth Proportional to 189,493.34, 261,500.76 and 104,611.01

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Solution

The fourth proportional to 189,493.34, 261,500.76 and 104,611.01 is: 144,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,493.34 : 261,500.76 = 104,611.01 : x
  2. Step 2: Convert to fraction form
    189,493.34/261,500.76 = 104,611.01/x
  3. Step 3: Cross multiply
    189,493.34x = 261,500.76 × 104,611.01
  4. Step 4: Simplify right side
    189,493.34x = 27,355,857,311.86
  5. Step 5: Solve for x
    x = 27,355,857,311.86/189,493.34
  6. Step 6: Final answer
    x = 144,363.16

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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.