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Finding the Fourth Proportional to 88,297.50, 121,846.58 and 50,056.50

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Solution

The fourth proportional to 88,297.50, 121,846.58 and 50,056.50 is: 69,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,297.50 : 121,846.58 = 50,056.50 : x
  2. Step 2: Convert to fraction form
    88,297.50/121,846.58 = 50,056.50/x
  3. Step 3: Cross multiply
    88,297.50x = 121,846.58 × 50,056.50
  4. Step 4: Simplify right side
    88,297.50x = 6,099,213,331.77
  5. Step 5: Solve for x
    x = 6,099,213,331.77/88,297.50
  6. Step 6: Final answer
    x = 69,075.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.