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Finding the Fourth Proportional to 180,268.84, 248,695.82 and 103,769.64

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Solution

The fourth proportional to 180,268.84, 248,695.82 and 103,769.64 is: 143,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,268.84 : 248,695.82 = 103,769.64 : x
  2. Step 2: Convert to fraction form
    180,268.84/248,695.82 = 103,769.64/x
  3. Step 3: Cross multiply
    180,268.84x = 248,695.82 × 103,769.64
  4. Step 4: Simplify right side
    180,268.84x = 25,807,075,710.90
  5. Step 5: Solve for x
    x = 25,807,075,710.90/180,268.84
  6. Step 6: Final answer
    x = 143,158.83

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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.