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Finding the Fourth Proportional to 221,943.43, 333,132.63 and 149,886.64

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Solution

The fourth proportional to 221,943.43, 333,132.63 and 149,886.64 is: 224,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,943.43 : 333,132.63 = 149,886.64 : x
  2. Step 2: Convert to fraction form
    221,943.43/333,132.63 = 149,886.64/x
  3. Step 3: Cross multiply
    221,943.43x = 333,132.63 × 149,886.64
  4. Step 4: Simplify right side
    221,943.43x = 49,932,130,585.06
  5. Step 5: Solve for x
    x = 49,932,130,585.06/221,943.43
  6. Step 6: Final answer
    x = 224,976.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.