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Finding the Fourth Proportional to 181,485.63, 272,026.62 and 136,968.03

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Solution

The fourth proportional to 181,485.63, 272,026.62 and 136,968.03 is: 205,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,485.63 : 272,026.62 = 136,968.03 : x
  2. Step 2: Convert to fraction form
    181,485.63/272,026.62 = 136,968.03/x
  3. Step 3: Cross multiply
    181,485.63x = 272,026.62 × 136,968.03
  4. Step 4: Simplify right side
    181,485.63x = 37,258,950,248.96
  5. Step 5: Solve for x
    x = 37,258,950,248.96/181,485.63
  6. Step 6: Final answer
    x = 205,299.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.