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Finding the Fourth Proportional to 133,498.88, 184,226.80 and 73,069.28

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Solution

The fourth proportional to 133,498.88, 184,226.80 and 73,069.28 is: 100,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,498.88 : 184,226.80 = 73,069.28 : x
  2. Step 2: Convert to fraction form
    133,498.88/184,226.80 = 73,069.28/x
  3. Step 3: Cross multiply
    133,498.88x = 184,226.80 × 73,069.28
  4. Step 4: Simplify right side
    133,498.88x = 13,461,319,632.70
  5. Step 5: Solve for x
    x = 13,461,319,632.70/133,498.88
  6. Step 6: Final answer
    x = 100,834.70

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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.