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Finding the Fourth Proportional to 134,447, 201,683.19 and 39,677.54

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Solution

The fourth proportional to 134,447, 201,683.19 and 39,677.54 is: 59,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,447 : 201,683.19 = 39,677.54 : x
  2. Step 2: Convert to fraction form
    134,447/201,683.19 = 39,677.54/x
  3. Step 3: Cross multiply
    134,447x = 201,683.19 × 39,677.54
  4. Step 4: Simplify right side
    134,447x = 8,002,292,838.55
  5. Step 5: Solve for x
    x = 8,002,292,838.55/134,447
  6. Step 6: Final answer
    x = 59,520.06

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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.