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Finding the Fourth Proportional to 209,004.66, 313,482.66 and 74,053.38

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Solution

The fourth proportional to 209,004.66, 313,482.66 and 74,053.38 is: 111,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,004.66 : 313,482.66 = 74,053.38 : x
  2. Step 2: Convert to fraction form
    209,004.66/313,482.66 = 74,053.38/x
  3. Step 3: Cross multiply
    209,004.66x = 313,482.66 × 74,053.38
  4. Step 4: Simplify right side
    209,004.66x = 23,214,450,544.39
  5. Step 5: Solve for x
    x = 23,214,450,544.39/209,004.66
  6. Step 6: Final answer
    x = 111,071.45

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1.5x scale

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.