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Finding the Fourth Proportional to 163,851.63, 245,462.59 and 100,487.01

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Solution

The fourth proportional to 163,851.63, 245,462.59 and 100,487.01 is: 150,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,851.63 : 245,462.59 = 100,487.01 : x
  2. Step 2: Convert to fraction form
    163,851.63/245,462.59 = 100,487.01/x
  3. Step 3: Cross multiply
    163,851.63x = 245,462.59 × 100,487.01
  4. Step 4: Simplify right side
    163,851.63x = 24,665,802,782.05
  5. Step 5: Solve for x
    x = 24,665,802,782.05/163,851.63
  6. Step 6: Final answer
    x = 150,537.43

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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.