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Finding the Fourth Proportional to 88,114.64, 121,563.60 and 50,368.64

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Solution

The fourth proportional to 88,114.64, 121,563.60 and 50,368.64 is: 69,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,114.64 : 121,563.60 = 50,368.64 : x
  2. Step 2: Convert to fraction form
    88,114.64/121,563.60 = 50,368.64/x
  3. Step 3: Cross multiply
    88,114.64x = 121,563.60 × 50,368.64
  4. Step 4: Simplify right side
    88,114.64x = 6,122,993,205.50
  5. Step 5: Solve for x
    x = 6,122,993,205.50/88,114.64
  6. Step 6: Final answer
    x = 69,488.94

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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.