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Finding the Fourth Proportional to 114,794.80, 158,459.80 and 86,197.07

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Solution

The fourth proportional to 114,794.80, 158,459.80 and 86,197.07 is: 118,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,794.80 : 158,459.80 = 86,197.07 : x
  2. Step 2: Convert to fraction form
    114,794.80/158,459.80 = 86,197.07/x
  3. Step 3: Cross multiply
    114,794.80x = 158,459.80 × 86,197.07
  4. Step 4: Simplify right side
    114,794.80x = 13,658,770,472.79
  5. Step 5: Solve for x
    x = 13,658,770,472.79/114,794.80
  6. Step 6: Final answer
    x = 118,984.23

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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.