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Finding the Fourth Proportional to 245,785.77, 339,009.57 and 164,072.88

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Solution

The fourth proportional to 245,785.77, 339,009.57 and 164,072.88 is: 226,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,785.77 : 339,009.57 = 164,072.88 : x
  2. Step 2: Convert to fraction form
    245,785.77/339,009.57 = 164,072.88/x
  3. Step 3: Cross multiply
    245,785.77x = 339,009.57 × 164,072.88
  4. Step 4: Simplify right side
    245,785.77x = 55,622,276,497.46
  5. Step 5: Solve for x
    x = 55,622,276,497.46/245,785.77
  6. Step 6: Final answer
    x = 226,303.89

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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.