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Finding the Fourth Proportional to 216,807.66, 298,995.79 and 186,170.35

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Solution

The fourth proportional to 216,807.66, 298,995.79 and 186,170.35 is: 256,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,807.66 : 298,995.79 = 186,170.35 : x
  2. Step 2: Convert to fraction form
    216,807.66/298,995.79 = 186,170.35/x
  3. Step 3: Cross multiply
    216,807.66x = 298,995.79 × 186,170.35
  4. Step 4: Simplify right side
    216,807.66x = 55,664,150,872.83
  5. Step 5: Solve for x
    x = 55,664,150,872.83/216,807.66
  6. Step 6: Final answer
    x = 256,744.39

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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.