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Finding the Fourth Proportional to 235,282.16, 352,922.39 and 66,802.50

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Solution

The fourth proportional to 235,282.16, 352,922.39 and 66,802.50 is: 100,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,282.16 : 352,922.39 = 66,802.50 : x
  2. Step 2: Convert to fraction form
    235,282.16/352,922.39 = 66,802.50/x
  3. Step 3: Cross multiply
    235,282.16x = 352,922.39 × 66,802.50
  4. Step 4: Simplify right side
    235,282.16x = 23,576,097,623.96
  5. Step 5: Solve for x
    x = 23,576,097,623.96/235,282.16
  6. Step 6: Final answer
    x = 100,203.51

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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.