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Finding the Fourth Proportional to 70,914.30, 97,878.40 and 44,077.08

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Solution

The fourth proportional to 70,914.30, 97,878.40 and 44,077.08 is: 60,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,914.30 : 97,878.40 = 44,077.08 : x
  2. Step 2: Convert to fraction form
    70,914.30/97,878.40 = 44,077.08/x
  3. Step 3: Cross multiply
    70,914.30x = 97,878.40 × 44,077.08
  4. Step 4: Simplify right side
    70,914.30x = 4,314,194,067.07
  5. Step 5: Solve for x
    x = 4,314,194,067.07/70,914.30
  6. Step 6: Final answer
    x = 60,836.73

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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.