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Finding the Fourth Proportional to 76,596.44, 105,701.56 and 42,604.20

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Solution

The fourth proportional to 76,596.44, 105,701.56 and 42,604.20 is: 58,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,596.44 : 105,701.56 = 42,604.20 : x
  2. Step 2: Convert to fraction form
    76,596.44/105,701.56 = 42,604.20/x
  3. Step 3: Cross multiply
    76,596.44x = 105,701.56 × 42,604.20
  4. Step 4: Simplify right side
    76,596.44x = 4,503,330,402.55
  5. Step 5: Solve for x
    x = 4,503,330,402.55/76,596.44
  6. Step 6: Final answer
    x = 58,792.95

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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.