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Finding the Fourth Proportional to 182,077.76, 251,268.39 and 105,642.37

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Solution

The fourth proportional to 182,077.76, 251,268.39 and 105,642.37 is: 145,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,077.76 : 251,268.39 = 105,642.37 : x
  2. Step 2: Convert to fraction form
    182,077.76/251,268.39 = 105,642.37/x
  3. Step 3: Cross multiply
    182,077.76x = 251,268.39 × 105,642.37
  4. Step 4: Simplify right side
    182,077.76x = 26,544,587,697.47
  5. Step 5: Solve for x
    x = 26,544,587,697.47/182,077.76
  6. Step 6: Final answer
    x = 145,787.10

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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.