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Finding the Fourth Proportional to 83,735.93, 125,710.47 and 54,277.04

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Solution

The fourth proportional to 83,735.93, 125,710.47 and 54,277.04 is: 81,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,735.93 : 125,710.47 = 54,277.04 : x
  2. Step 2: Convert to fraction form
    83,735.93/125,710.47 = 54,277.04/x
  3. Step 3: Cross multiply
    83,735.93x = 125,710.47 × 54,277.04
  4. Step 4: Simplify right side
    83,735.93x = 6,823,191,580.06
  5. Step 5: Solve for x
    x = 6,823,191,580.06/83,735.93
  6. Step 6: Final answer
    x = 81,484.64

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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.