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Finding the Fourth Proportional to 188,980.00, 260,792.42 and 104,097.06

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Solution

The fourth proportional to 188,980.00, 260,792.42 and 104,097.06 is: 143,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,980.00 : 260,792.42 = 104,097.06 : x
  2. Step 2: Convert to fraction form
    188,980.00/260,792.42 = 104,097.06/x
  3. Step 3: Cross multiply
    188,980.00x = 260,792.42 × 104,097.06
  4. Step 4: Simplify right side
    188,980.00x = 27,147,723,671.80
  5. Step 5: Solve for x
    x = 27,147,723,671.80/188,980.00
  6. Step 6: Final answer
    x = 143,653.95

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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.