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Finding the Fourth Proportional to 229,786.06, 317,100.22 and 127,809.34

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Solution

The fourth proportional to 229,786.06, 317,100.22 and 127,809.34 is: 176,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,786.06 : 317,100.22 = 127,809.34 : x
  2. Step 2: Convert to fraction form
    229,786.06/317,100.22 = 127,809.34/x
  3. Step 3: Cross multiply
    229,786.06x = 317,100.22 × 127,809.34
  4. Step 4: Simplify right side
    229,786.06x = 40,528,369,832.05
  5. Step 5: Solve for x
    x = 40,528,369,832.05/229,786.06
  6. Step 6: Final answer
    x = 176,374.36

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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.