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Finding the Fourth Proportional to 114,166.70, 157,445.98 and 98,028.97

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Solution

The fourth proportional to 114,166.70, 157,445.98 and 98,028.97 is: 135,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,166.70 : 157,445.98 = 98,028.97 : x
  2. Step 2: Convert to fraction form
    114,166.70/157,445.98 = 98,028.97/x
  3. Step 3: Cross multiply
    114,166.70x = 157,445.98 × 98,028.97
  4. Step 4: Simplify right side
    114,166.70x = 15,434,266,611.35
  5. Step 5: Solve for x
    x = 15,434,266,611.35/114,166.70
  6. Step 6: Final answer
    x = 135,190.62

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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.