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Finding the Fourth Proportional to 119,339, 164,692.58 and 71,574.92

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Solution

The fourth proportional to 119,339, 164,692.58 and 71,574.92 is: 98,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,339 : 164,692.58 = 71,574.92 : x
  2. Step 2: Convert to fraction form
    119,339/164,692.58 = 71,574.92/x
  3. Step 3: Cross multiply
    119,339x = 164,692.58 × 71,574.92
  4. Step 4: Simplify right side
    119,339x = 11,787,858,238.09
  5. Step 5: Solve for x
    x = 11,787,858,238.09/119,339
  6. Step 6: Final answer
    x = 98,776.24

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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.