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Finding the Fourth Proportional to 119,080.53, 164,331.05 and 67,396.68

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Solution

The fourth proportional to 119,080.53, 164,331.05 and 67,396.68 is: 93,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,080.53 : 164,331.05 = 67,396.68 : x
  2. Step 2: Convert to fraction form
    119,080.53/164,331.05 = 67,396.68/x
  3. Step 3: Cross multiply
    119,080.53x = 164,331.05 × 67,396.68
  4. Step 4: Simplify right side
    119,080.53x = 11,075,366,853.93
  5. Step 5: Solve for x
    x = 11,075,366,853.93/119,080.53
  6. Step 6: Final answer
    x = 93,007.37

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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.