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Finding the Fourth Proportional to 66,802.41, 100,201.17 and 20,054.07

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Solution

The fourth proportional to 66,802.41, 100,201.17 and 20,054.07 is: 30,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802.41 : 100,201.17 = 20,054.07 : x
  2. Step 2: Convert to fraction form
    66,802.41/100,201.17 = 20,054.07/x
  3. Step 3: Cross multiply
    66,802.41x = 100,201.17 × 20,054.07
  4. Step 4: Simplify right side
    66,802.41x = 2,009,441,277.26
  5. Step 5: Solve for x
    x = 2,009,441,277.26/66,802.41
  6. Step 6: Final answer
    x = 30,080.37

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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.