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Finding the Fourth Proportional to 76,100.14, 104,994.39 and 45,894.70

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Solution

The fourth proportional to 76,100.14, 104,994.39 and 45,894.70 is: 63,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,100.14 : 104,994.39 = 45,894.70 : x
  2. Step 2: Convert to fraction form
    76,100.14/104,994.39 = 45,894.70/x
  3. Step 3: Cross multiply
    76,100.14x = 104,994.39 × 45,894.70
  4. Step 4: Simplify right side
    76,100.14x = 4,818,686,030.73
  5. Step 5: Solve for x
    x = 4,818,686,030.73/76,100.14
  6. Step 6: Final answer
    x = 63,320.33

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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.