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Finding the Fourth Proportional to 220,303.54, 304,018.14 and 124,828.44

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Solution

The fourth proportional to 220,303.54, 304,018.14 and 124,828.44 is: 172,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,303.54 : 304,018.14 = 124,828.44 : x
  2. Step 2: Convert to fraction form
    220,303.54/304,018.14 = 124,828.44/x
  3. Step 3: Cross multiply
    220,303.54x = 304,018.14 × 124,828.44
  4. Step 4: Simplify right side
    220,303.54x = 37,950,110,147.90
  5. Step 5: Solve for x
    x = 37,950,110,147.90/220,303.54
  6. Step 6: Final answer
    x = 172,262.82

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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.