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Finding the Fourth Proportional to 104,564.66, 144,300.14 and 56,818.01

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Solution

The fourth proportional to 104,564.66, 144,300.14 and 56,818.01 is: 78,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,564.66 : 144,300.14 = 56,818.01 : x
  2. Step 2: Convert to fraction form
    104,564.66/144,300.14 = 56,818.01/x
  3. Step 3: Cross multiply
    104,564.66x = 144,300.14 × 56,818.01
  4. Step 4: Simplify right side
    104,564.66x = 8,198,846,797.52
  5. Step 5: Solve for x
    x = 8,198,846,797.52/104,564.66
  6. Step 6: Final answer
    x = 78,409.35

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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.