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Finding the Fourth Proportional to 100,604, 150,927.60 and 34,045.76

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Solution

The fourth proportional to 100,604, 150,927.60 and 34,045.76 is: 51,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,604 : 150,927.60 = 34,045.76 : x
  2. Step 2: Convert to fraction form
    100,604/150,927.60 = 34,045.76/x
  3. Step 3: Cross multiply
    100,604x = 150,927.60 × 34,045.76
  4. Step 4: Simplify right side
    100,604x = 5,138,444,846.98
  5. Step 5: Solve for x
    x = 5,138,444,846.98/100,604
  6. Step 6: Final answer
    x = 51,075.95

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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.