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Finding the Fourth Proportional to 114,507.42, 171,772.91 and 39,627.43

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Solution

The fourth proportional to 114,507.42, 171,772.91 and 39,627.43 is: 59,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,507.42 : 171,772.91 = 39,627.43 : x
  2. Step 2: Convert to fraction form
    114,507.42/171,772.91 = 39,627.43/x
  3. Step 3: Cross multiply
    114,507.42x = 171,772.91 × 39,627.43
  4. Step 4: Simplify right side
    114,507.42x = 6,806,918,966.92
  5. Step 5: Solve for x
    x = 6,806,918,966.92/114,507.42
  6. Step 6: Final answer
    x = 59,445.22

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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.