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Finding the Fourth Proportional to 182,130.80, 272,904.60 and 115,451.60

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Solution

The fourth proportional to 182,130.80, 272,904.60 and 115,451.60 is: 172,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,130.80 : 272,904.60 = 115,451.60 : x
  2. Step 2: Convert to fraction form
    182,130.80/272,904.60 = 115,451.60/x
  3. Step 3: Cross multiply
    182,130.80x = 272,904.60 × 115,451.60
  4. Step 4: Simplify right side
    182,130.80x = 31,507,272,717.36
  5. Step 5: Solve for x
    x = 31,507,272,717.36/182,130.80
  6. Step 6: Final answer
    x = 172,992.56

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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.