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Finding the Fourth Proportional to 180,362.88, 248,940 and 104,921.28

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Solution

The fourth proportional to 180,362.88, 248,940 and 104,921.28 is: 144,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,362.88 : 248,940 = 104,921.28 : x
  2. Step 2: Convert to fraction form
    180,362.88/248,940 = 104,921.28/x
  3. Step 3: Cross multiply
    180,362.88x = 248,940 × 104,921.28
  4. Step 4: Simplify right side
    180,362.88x = 26,119,103,443.20
  5. Step 5: Solve for x
    x = 26,119,103,443.20/180,362.88
  6. Step 6: Final answer
    x = 144,814.18

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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.