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Finding the Fourth Proportional to 103,627, 155,466.60 and 29,755

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Solution

The fourth proportional to 103,627, 155,466.60 and 29,755 is: 44,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627 : 155,466.60 = 29,755 : x
  2. Step 2: Convert to fraction form
    103,627/155,466.60 = 29,755/x
  3. Step 3: Cross multiply
    103,627x = 155,466.60 × 29,755
  4. Step 4: Simplify right side
    103,627x = 4,625,908,683
  5. Step 5: Solve for x
    x = 4,625,908,683/103,627
  6. Step 6: Final answer
    x = 44,639.99

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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.