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Finding the Fourth Proportional to 100,775.98, 150,997.88 and 58,537.50

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Solution

The fourth proportional to 100,775.98, 150,997.88 and 58,537.50 is: 87,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,775.98 : 150,997.88 = 58,537.50 : x
  2. Step 2: Convert to fraction form
    100,775.98/150,997.88 = 58,537.50/x
  3. Step 3: Cross multiply
    100,775.98x = 150,997.88 × 58,537.50
  4. Step 4: Simplify right side
    100,775.98x = 8,839,038,400.50
  5. Step 5: Solve for x
    x = 8,839,038,400.50/100,775.98
  6. Step 6: Final answer
    x = 87,709.77

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1.5x scale

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.