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Finding the Fourth Proportional to 90,473.54, 124,858.41 and 58,669.70

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Solution

The fourth proportional to 90,473.54, 124,858.41 and 58,669.70 is: 80,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,473.54 : 124,858.41 = 58,669.70 : x
  2. Step 2: Convert to fraction form
    90,473.54/124,858.41 = 58,669.70/x
  3. Step 3: Cross multiply
    90,473.54x = 124,858.41 × 58,669.70
  4. Step 4: Simplify right side
    90,473.54x = 7,325,405,457.18
  5. Step 5: Solve for x
    x = 7,325,405,457.18/90,473.54
  6. Step 6: Final answer
    x = 80,967.38

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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.