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Finding the Fourth Proportional to 245,761.02, 339,205.52 and 160,828.88

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Solution

The fourth proportional to 245,761.02, 339,205.52 and 160,828.88 is: 221,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,761.02 : 339,205.52 = 160,828.88 : x
  2. Step 2: Convert to fraction form
    245,761.02/339,205.52 = 160,828.88/x
  3. Step 3: Cross multiply
    245,761.02x = 339,205.52 × 160,828.88
  4. Step 4: Simplify right side
    245,761.02x = 54,554,042,577.46
  5. Step 5: Solve for x
    x = 54,554,042,577.46/245,761.02
  6. Step 6: Final answer
    x = 221,980.05

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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.