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Finding the Fourth Proportional to 76,616.94, 105,743.94 and 44,779.62

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Solution

The fourth proportional to 76,616.94, 105,743.94 and 44,779.62 is: 61,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616.94 : 105,743.94 = 44,779.62 : x
  2. Step 2: Convert to fraction form
    76,616.94/105,743.94 = 44,779.62/x
  3. Step 3: Cross multiply
    76,616.94x = 105,743.94 × 44,779.62
  4. Step 4: Simplify right side
    76,616.94x = 4,735,173,450.50
  5. Step 5: Solve for x
    x = 4,735,173,450.50/76,616.94
  6. Step 6: Final answer
    x = 61,803.22

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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.