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Finding the Fourth Proportional to 119,335, 164,687.06 and 71,570.92

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Solution

The fourth proportional to 119,335, 164,687.06 and 71,570.92 is: 98,770.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,335 : 164,687.06 = 71,570.92 : x
  2. Step 2: Convert to fraction form
    119,335/164,687.06 = 71,570.92/x
  3. Step 3: Cross multiply
    119,335x = 164,687.06 × 71,570.92
  4. Step 4: Simplify right side
    119,335x = 11,786,804,396.30
  5. Step 5: Solve for x
    x = 11,786,804,396.30/119,335
  6. Step 6: Final answer
    x = 98,770.72

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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.