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Finding the Fourth Proportional to 177,390, 244,798.20 and 120,900.06

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Solution

The fourth proportional to 177,390, 244,798.20 and 120,900.06 is: 166,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,390 : 244,798.20 = 120,900.06 : x
  2. Step 2: Convert to fraction form
    177,390/244,798.20 = 120,900.06/x
  3. Step 3: Cross multiply
    177,390x = 244,798.20 × 120,900.06
  4. Step 4: Simplify right side
    177,390x = 29,596,117,067.89
  5. Step 5: Solve for x
    x = 29,596,117,067.89/177,390
  6. Step 6: Final answer
    x = 166,842.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.