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Finding the Fourth Proportional to 105,803.63, 146,008.60 and 58,057.77

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Solution

The fourth proportional to 105,803.63, 146,008.60 and 58,057.77 is: 80,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,803.63 : 146,008.60 = 58,057.77 : x
  2. Step 2: Convert to fraction form
    105,803.63/146,008.60 = 58,057.77/x
  3. Step 3: Cross multiply
    105,803.63x = 146,008.60 × 58,057.77
  4. Step 4: Simplify right side
    105,803.63x = 8,476,933,716.82
  5. Step 5: Solve for x
    x = 8,476,933,716.82/105,803.63
  6. Step 6: Final answer
    x = 80,119.50

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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.