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Finding the Fourth Proportional to 122,567.58, 169,124.84 and 68,842.30

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Solution

The fourth proportional to 122,567.58, 169,124.84 and 68,842.30 is: 94,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,567.58 : 169,124.84 = 68,842.30 : x
  2. Step 2: Convert to fraction form
    122,567.58/169,124.84 = 68,842.30/x
  3. Step 3: Cross multiply
    122,567.58x = 169,124.84 × 68,842.30
  4. Step 4: Simplify right side
    122,567.58x = 11,642,942,972.73
  5. Step 5: Solve for x
    x = 11,642,942,972.73/122,567.58
  6. Step 6: Final answer
    x = 94,992.03

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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.