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Finding the Fourth Proportional to 104,047.74, 143,571.15 and 58,719.06

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Solution

The fourth proportional to 104,047.74, 143,571.15 and 58,719.06 is: 81,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,047.74 : 143,571.15 = 58,719.06 : x
  2. Step 2: Convert to fraction form
    104,047.74/143,571.15 = 58,719.06/x
  3. Step 3: Cross multiply
    104,047.74x = 143,571.15 × 58,719.06
  4. Step 4: Simplify right side
    104,047.74x = 8,430,362,971.12
  5. Step 5: Solve for x
    x = 8,430,362,971.12/104,047.74
  6. Step 6: Final answer
    x = 81,023.99

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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.