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Finding the Fourth Proportional to 133,438.17, 184,143.12 and 73,008.12

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Solution

The fourth proportional to 133,438.17, 184,143.12 and 73,008.12 is: 100,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,438.17 : 184,143.12 = 73,008.12 : x
  2. Step 2: Convert to fraction form
    133,438.17/184,143.12 = 73,008.12/x
  3. Step 3: Cross multiply
    133,438.17x = 184,143.12 × 73,008.12
  4. Step 4: Simplify right side
    133,438.17x = 13,443,943,002.13
  5. Step 5: Solve for x
    x = 13,443,943,002.13/133,438.17
  6. Step 6: Final answer
    x = 100,750.36

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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.