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Finding the Fourth Proportional to 94,768.96, 141,802.68 and 75,991.60

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Solution

The fourth proportional to 94,768.96, 141,802.68 and 75,991.60 is: 113,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,768.96 : 141,802.68 = 75,991.60 : x
  2. Step 2: Convert to fraction form
    94,768.96/141,802.68 = 75,991.60/x
  3. Step 3: Cross multiply
    94,768.96x = 141,802.68 × 75,991.60
  4. Step 4: Simplify right side
    94,768.96x = 10,775,812,537.49
  5. Step 5: Solve for x
    x = 10,775,812,537.49/94,768.96
  6. Step 6: Final answer
    x = 113,706.14

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1.5x scale

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.