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Finding the Fourth Proportional to 94,580.80, 141,698.40 and 57,601.60

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Solution

The fourth proportional to 94,580.80, 141,698.40 and 57,601.60 is: 86,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,580.80 : 141,698.40 = 57,601.60 : x
  2. Step 2: Convert to fraction form
    94,580.80/141,698.40 = 57,601.60/x
  3. Step 3: Cross multiply
    94,580.80x = 141,698.40 × 57,601.60
  4. Step 4: Simplify right side
    94,580.80x = 8,162,054,557.44
  5. Step 5: Solve for x
    x = 8,162,054,557.44/94,580.80
  6. Step 6: Final answer
    x = 86,297.16

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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.