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Finding the Fourth Proportional to 114,017.86, 157,344.54 and 68,697.75

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Solution

The fourth proportional to 114,017.86, 157,344.54 and 68,697.75 is: 94,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,017.86 : 157,344.54 = 68,697.75 : x
  2. Step 2: Convert to fraction form
    114,017.86/157,344.54 = 68,697.75/x
  3. Step 3: Cross multiply
    114,017.86x = 157,344.54 × 68,697.75
  4. Step 4: Simplify right side
    114,017.86x = 10,809,215,872.79
  5. Step 5: Solve for x
    x = 10,809,215,872.79/114,017.86
  6. Step 6: Final answer
    x = 94,802.83

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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.