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Finding the Fourth Proportional to 223,548.24, 308,490.30 and 122,946.24

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Solution

The fourth proportional to 223,548.24, 308,490.30 and 122,946.24 is: 169,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,548.24 : 308,490.30 = 122,946.24 : x
  2. Step 2: Convert to fraction form
    223,548.24/308,490.30 = 122,946.24/x
  3. Step 3: Cross multiply
    223,548.24x = 308,490.30 × 122,946.24
  4. Step 4: Simplify right side
    223,548.24x = 37,927,722,461.47
  5. Step 5: Solve for x
    x = 37,927,722,461.47/223,548.24
  6. Step 6: Final answer
    x = 169,662.36

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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.