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Finding the Fourth Proportional to 104,854.80, 157,435.80 and 73,827.60

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Solution

The fourth proportional to 104,854.80, 157,435.80 and 73,827.60 is: 110,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,854.80 : 157,435.80 = 73,827.60 : x
  2. Step 2: Convert to fraction form
    104,854.80/157,435.80 = 73,827.60/x
  3. Step 3: Cross multiply
    104,854.80x = 157,435.80 × 73,827.60
  4. Step 4: Simplify right side
    104,854.80x = 11,623,107,268.08
  5. Step 5: Solve for x
    x = 11,623,107,268.08/104,854.80
  6. Step 6: Final answer
    x = 110,849.55

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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.