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Finding the Fourth Proportional to 119,333.30, 164,679.09 and 68,357.30

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Solution

The fourth proportional to 119,333.30, 164,679.09 and 68,357.30 is: 94,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,333.30 : 164,679.09 = 68,357.30 : x
  2. Step 2: Convert to fraction form
    119,333.30/164,679.09 = 68,357.30/x
  3. Step 3: Cross multiply
    119,333.30x = 164,679.09 × 68,357.30
  4. Step 4: Simplify right side
    119,333.30x = 11,257,017,958.86
  5. Step 5: Solve for x
    x = 11,257,017,958.86/119,333.30
  6. Step 6: Final answer
    x = 94,332.58

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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.