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Finding the Fourth Proportional to 104,510.25, 144,226.78 and 56,763.59

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Solution

The fourth proportional to 104,510.25, 144,226.78 and 56,763.59 is: 78,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,510.25 : 144,226.78 = 56,763.59 : x
  2. Step 2: Convert to fraction form
    104,510.25/144,226.78 = 56,763.59/x
  3. Step 3: Cross multiply
    104,510.25x = 144,226.78 × 56,763.59
  4. Step 4: Simplify right side
    104,510.25x = 8,186,828,943.90
  5. Step 5: Solve for x
    x = 8,186,828,943.90/104,510.25
  6. Step 6: Final answer
    x = 78,335.18

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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.