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Finding the Fourth Proportional to 88,715.54, 122,423.16 and 50,471.50

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Solution

The fourth proportional to 88,715.54, 122,423.16 and 50,471.50 is: 69,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,715.54 : 122,423.16 = 50,471.50 : x
  2. Step 2: Convert to fraction form
    88,715.54/122,423.16 = 50,471.50/x
  3. Step 3: Cross multiply
    88,715.54x = 122,423.16 × 50,471.50
  4. Step 4: Simplify right side
    88,715.54x = 6,178,880,519.94
  5. Step 5: Solve for x
    x = 6,178,880,519.94/88,715.54
  6. Step 6: Final answer
    x = 69,648.23

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1.5x scale

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.