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Finding the Fourth Proportional to 216,807.41, 298,995.45 and 186,170.10

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Solution

The fourth proportional to 216,807.41, 298,995.45 and 186,170.10 is: 256,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,807.41 : 298,995.45 = 186,170.10 : x
  2. Step 2: Convert to fraction form
    216,807.41/298,995.45 = 186,170.10/x
  3. Step 3: Cross multiply
    216,807.41x = 298,995.45 × 186,170.10
  4. Step 4: Simplify right side
    216,807.41x = 55,664,012,826.05
  5. Step 5: Solve for x
    x = 55,664,012,826.05/216,807.41
  6. Step 6: Final answer
    x = 256,744.06

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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.