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Finding the Fourth Proportional to 100,699.95, 150,953.93 and 37,503.15

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Solution

The fourth proportional to 100,699.95, 150,953.93 and 37,503.15 is: 56,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,699.95 : 150,953.93 = 37,503.15 : x
  2. Step 2: Convert to fraction form
    100,699.95/150,953.93 = 37,503.15/x
  3. Step 3: Cross multiply
    100,699.95x = 150,953.93 × 37,503.15
  4. Step 4: Simplify right side
    100,699.95x = 5,661,247,692.36
  5. Step 5: Solve for x
    x = 5,661,247,692.36/100,699.95
  6. Step 6: Final answer
    x = 56,218.97

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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.