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Finding the Fourth Proportional to 103,634, 155,455.05 and 32,605.10

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Solution

The fourth proportional to 103,634, 155,455.05 and 32,605.10 is: 48,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634 : 155,455.05 = 32,605.10 : x
  2. Step 2: Convert to fraction form
    103,634/155,455.05 = 32,605.10/x
  3. Step 3: Cross multiply
    103,634x = 155,455.05 × 32,605.10
  4. Step 4: Simplify right side
    103,634x = 5,068,627,450.76
  5. Step 5: Solve for x
    x = 5,068,627,450.76/103,634
  6. Step 6: Final answer
    x = 48,908.92

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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.