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Finding the Fourth Proportional to 201,112.53, 301,795.85 and 112,424.19

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Solution

The fourth proportional to 201,112.53, 301,795.85 and 112,424.19 is: 168,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,112.53 : 301,795.85 = 112,424.19 : x
  2. Step 2: Convert to fraction form
    201,112.53/301,795.85 = 112,424.19/x
  3. Step 3: Cross multiply
    201,112.53x = 301,795.85 × 112,424.19
  4. Step 4: Simplify right side
    201,112.53x = 33,929,153,981.61
  5. Step 5: Solve for x
    x = 33,929,153,981.61/201,112.53
  6. Step 6: Final answer
    x = 168,707.31

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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.