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Finding the Fourth Proportional to 229,051.02, 316,393.47 and 190,935.30

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Solution

The fourth proportional to 229,051.02, 316,393.47 and 190,935.30 is: 263,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,051.02 : 316,393.47 = 190,935.30 : x
  2. Step 2: Convert to fraction form
    229,051.02/316,393.47 = 190,935.30/x
  3. Step 3: Cross multiply
    229,051.02x = 316,393.47 × 190,935.30
  4. Step 4: Simplify right side
    229,051.02x = 60,410,682,112.49
  5. Step 5: Solve for x
    x = 60,410,682,112.49/229,051.02
  6. Step 6: Final answer
    x = 263,743.34

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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.