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Finding the Fourth Proportional to 69,661.60, 104,492.40 and 50,124.40

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Solution

The fourth proportional to 69,661.60, 104,492.40 and 50,124.40 is: 75,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,661.60 : 104,492.40 = 50,124.40 : x
  2. Step 2: Convert to fraction form
    69,661.60/104,492.40 = 50,124.40/x
  3. Step 3: Cross multiply
    69,661.60x = 104,492.40 × 50,124.40
  4. Step 4: Simplify right side
    69,661.60x = 5,237,618,854.56
  5. Step 5: Solve for x
    x = 5,237,618,854.56/69,661.60
  6. Step 6: Final answer
    x = 75,186.60

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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.