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Finding the Fourth Proportional to 98,182.98, 135,468.99 and 57,893.58

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Solution

The fourth proportional to 98,182.98, 135,468.99 and 57,893.58 is: 79,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,182.98 : 135,468.99 = 57,893.58 : x
  2. Step 2: Convert to fraction form
    98,182.98/135,468.99 = 57,893.58/x
  3. Step 3: Cross multiply
    98,182.98x = 135,468.99 × 57,893.58
  4. Step 4: Simplify right side
    98,182.98x = 7,842,784,810.08
  5. Step 5: Solve for x
    x = 7,842,784,810.08/98,182.98
  6. Step 6: Final answer
    x = 79,879.27

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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.