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Finding the Fourth Proportional to 180,264.84, 248,690.31 and 103,765.63

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Solution

The fourth proportional to 180,264.84, 248,690.31 and 103,765.63 is: 143,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,264.84 : 248,690.31 = 103,765.63 : x
  2. Step 2: Convert to fraction form
    180,264.84/248,690.31 = 103,765.63/x
  3. Step 3: Cross multiply
    180,264.84x = 248,690.31 × 103,765.63
  4. Step 4: Simplify right side
    180,264.84x = 25,805,507,313.77
  5. Step 5: Solve for x
    x = 25,805,507,313.77/180,264.84
  6. Step 6: Final answer
    x = 143,153.30

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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.