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Finding the Fourth Proportional to 70,618.97, 105,928.27 and 44,342.17

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Solution

The fourth proportional to 70,618.97, 105,928.27 and 44,342.17 is: 66,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,618.97 : 105,928.27 = 44,342.17 : x
  2. Step 2: Convert to fraction form
    70,618.97/105,928.27 = 44,342.17/x
  3. Step 3: Cross multiply
    70,618.97x = 105,928.27 × 44,342.17
  4. Step 4: Simplify right side
    70,618.97x = 4,697,089,356.15
  5. Step 5: Solve for x
    x = 4,697,089,356.15/70,618.97
  6. Step 6: Final answer
    x = 66,513.14

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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.