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Finding the Fourth Proportional to 114,422.13, 157,846.43 and 99,293.55

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Solution

The fourth proportional to 114,422.13, 157,846.43 and 99,293.55 is: 136,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,422.13 : 157,846.43 = 99,293.55 : x
  2. Step 2: Convert to fraction form
    114,422.13/157,846.43 = 99,293.55/x
  3. Step 3: Cross multiply
    114,422.13x = 157,846.43 × 99,293.55
  4. Step 4: Simplify right side
    114,422.13x = 15,673,131,893.06
  5. Step 5: Solve for x
    x = 15,673,131,893.06/114,422.13
  6. Step 6: Final answer
    x = 136,976.40

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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.