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Finding the Fourth Proportional to 106,394.88, 159,456.56 and 56,498.88

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Solution

The fourth proportional to 106,394.88, 159,456.56 and 56,498.88 is: 84,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,394.88 : 159,456.56 = 56,498.88 : x
  2. Step 2: Convert to fraction form
    106,394.88/159,456.56 = 56,498.88/x
  3. Step 3: Cross multiply
    106,394.88x = 159,456.56 × 56,498.88
  4. Step 4: Simplify right side
    106,394.88x = 9,009,117,048.65
  5. Step 5: Solve for x
    x = 9,009,117,048.65/106,394.88
  6. Step 6: Final answer
    x = 84,676.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.