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Finding the Fourth Proportional to 104,750.96, 144,555.70 and 57,004.16

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Solution

The fourth proportional to 104,750.96, 144,555.70 and 57,004.16 is: 78,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,750.96 : 144,555.70 = 57,004.16 : x
  2. Step 2: Convert to fraction form
    104,750.96/144,555.70 = 57,004.16/x
  3. Step 3: Cross multiply
    104,750.96x = 144,555.70 × 57,004.16
  4. Step 4: Simplify right side
    104,750.96x = 8,240,276,251.71
  5. Step 5: Solve for x
    x = 8,240,276,251.71/104,750.96
  6. Step 6: Final answer
    x = 78,665.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.