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Finding the Fourth Proportional to 223,192.68, 308,008.08 and 122,590.68

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Solution

The fourth proportional to 223,192.68, 308,008.08 and 122,590.68 is: 169,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,192.68 : 308,008.08 = 122,590.68 : x
  2. Step 2: Convert to fraction form
    223,192.68/308,008.08 = 122,590.68/x
  3. Step 3: Cross multiply
    223,192.68x = 308,008.08 × 122,590.68
  4. Step 4: Simplify right side
    223,192.68x = 37,758,919,972.69
  5. Step 5: Solve for x
    x = 37,758,919,972.69/223,192.68
  6. Step 6: Final answer
    x = 169,176.34

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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.