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Finding the Fourth Proportional to 72,925.94, 100,599.36 and 50,225.60

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Solution

The fourth proportional to 72,925.94, 100,599.36 and 50,225.60 is: 69,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,925.94 : 100,599.36 = 50,225.60 : x
  2. Step 2: Convert to fraction form
    72,925.94/100,599.36 = 50,225.60/x
  3. Step 3: Cross multiply
    72,925.94x = 100,599.36 × 50,225.60
  4. Step 4: Simplify right side
    72,925.94x = 5,052,663,215.62
  5. Step 5: Solve for x
    x = 5,052,663,215.62/72,925.94
  6. Step 6: Final answer
    x = 69,284.86

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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.