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Finding the Fourth Proportional to 123,206.87, 183,919.04 and 108,260.15

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Solution

The fourth proportional to 123,206.87, 183,919.04 and 108,260.15 is: 161,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,206.87 : 183,919.04 = 108,260.15 : x
  2. Step 2: Convert to fraction form
    123,206.87/183,919.04 = 108,260.15/x
  3. Step 3: Cross multiply
    123,206.87x = 183,919.04 × 108,260.15
  4. Step 4: Simplify right side
    123,206.87x = 19,911,102,858.26
  5. Step 5: Solve for x
    x = 19,911,102,858.26/123,206.87
  6. Step 6: Final answer
    x = 161,607.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.