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Finding the Fourth Proportional to 223,957.34, 309,061.08 and 123,355.34

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Solution

The fourth proportional to 223,957.34, 309,061.08 and 123,355.34 is: 170,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,957.34 : 309,061.08 = 123,355.34 : x
  2. Step 2: Convert to fraction form
    223,957.34/309,061.08 = 123,355.34/x
  3. Step 3: Cross multiply
    223,957.34x = 309,061.08 × 123,355.34
  4. Step 4: Simplify right side
    223,957.34x = 38,124,334,604.17
  5. Step 5: Solve for x
    x = 38,124,334,604.17/223,957.34
  6. Step 6: Final answer
    x = 170,230.34

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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.