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Finding the Fourth Proportional to 220,314.94, 304,034.92 and 124,828.09

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Solution

The fourth proportional to 220,314.94, 304,034.92 and 124,828.09 is: 172,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,314.94 : 304,034.92 = 124,828.09 : x
  2. Step 2: Convert to fraction form
    220,314.94/304,034.92 = 124,828.09/x
  3. Step 3: Cross multiply
    220,314.94x = 304,034.92 × 124,828.09
  4. Step 4: Simplify right side
    220,314.94x = 37,952,097,284.75
  5. Step 5: Solve for x
    x = 37,952,097,284.75/220,314.94
  6. Step 6: Final answer
    x = 172,262.93

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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.