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Finding the Fourth Proportional to 359,696.64, 539,544.60 and 106,976.10

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Solution

The fourth proportional to 359,696.64, 539,544.60 and 106,976.10 is: 160,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,696.64 : 539,544.60 = 106,976.10 : x
  2. Step 2: Convert to fraction form
    359,696.64/539,544.60 = 106,976.10/x
  3. Step 3: Cross multiply
    359,696.64x = 539,544.60 × 106,976.10
  4. Step 4: Simplify right side
    359,696.64x = 57,718,377,084.06
  5. Step 5: Solve for x
    x = 57,718,377,084.06/359,696.64
  6. Step 6: Final answer
    x = 160,464.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.