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Finding the Fourth Proportional to 135,801.45, 187,440.45 and 92,798.35

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Solution

The fourth proportional to 135,801.45, 187,440.45 and 92,798.35 is: 128,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,801.45 : 187,440.45 = 92,798.35 : x
  2. Step 2: Convert to fraction form
    135,801.45/187,440.45 = 92,798.35/x
  3. Step 3: Cross multiply
    135,801.45x = 187,440.45 × 92,798.35
  4. Step 4: Simplify right side
    135,801.45x = 17,394,163,082.06
  5. Step 5: Solve for x
    x = 17,394,163,082.06/135,801.45
  6. Step 6: Final answer
    x = 128,085.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.