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Finding the Fourth Proportional to 76,195, 105,152.34 and 44,358.76

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Solution

The fourth proportional to 76,195, 105,152.34 and 44,358.76 is: 61,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,195 : 105,152.34 = 44,358.76 : x
  2. Step 2: Convert to fraction form
    76,195/105,152.34 = 44,358.76/x
  3. Step 3: Cross multiply
    76,195x = 105,152.34 × 44,358.76
  4. Step 4: Simplify right side
    76,195x = 4,664,427,413.50
  5. Step 5: Solve for x
    x = 4,664,427,413.50/76,195
  6. Step 6: Final answer
    x = 61,216.98

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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.