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Finding the Fourth Proportional to 110,539.88, 152,569.64 and 70,245.76

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Solution

The fourth proportional to 110,539.88, 152,569.64 and 70,245.76 is: 96,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,539.88 : 152,569.64 = 70,245.76 : x
  2. Step 2: Convert to fraction form
    110,539.88/152,569.64 = 70,245.76/x
  3. Step 3: Cross multiply
    110,539.88x = 152,569.64 × 70,245.76
  4. Step 4: Simplify right side
    110,539.88x = 10,717,370,314.73
  5. Step 5: Solve for x
    x = 10,717,370,314.73/110,539.88
  6. Step 6: Final answer
    x = 96,954.79

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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.