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Finding the Fourth Proportional to 70,915.56, 97,880.14 and 44,078.32

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Solution

The fourth proportional to 70,915.56, 97,880.14 and 44,078.32 is: 60,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,915.56 : 97,880.14 = 44,078.32 : x
  2. Step 2: Convert to fraction form
    70,915.56/97,880.14 = 44,078.32/x
  3. Step 3: Cross multiply
    70,915.56x = 97,880.14 × 44,078.32
  4. Step 4: Simplify right side
    70,915.56x = 4,314,392,132.56
  5. Step 5: Solve for x
    x = 4,314,392,132.56/70,915.56
  6. Step 6: Final answer
    x = 60,838.44

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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.