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Finding the Fourth Proportional to 224,616.37, 309,968.24 and 122,641.51

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Solution

The fourth proportional to 224,616.37, 309,968.24 and 122,641.51 is: 169,244.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,616.37 : 309,968.24 = 122,641.51 : x
  2. Step 2: Convert to fraction form
    224,616.37/309,968.24 = 122,641.51/x
  3. Step 3: Cross multiply
    224,616.37x = 309,968.24 × 122,641.51
  4. Step 4: Simplify right side
    224,616.37x = 38,014,973,005.64
  5. Step 5: Solve for x
    x = 38,014,973,005.64/224,616.37
  6. Step 6: Final answer
    x = 169,244.00

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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.