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Finding the Fourth Proportional to 104,704, 144,491.52 and 57,600

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Solution

The fourth proportional to 104,704, 144,491.52 and 57,600 is: 79,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,704 : 144,491.52 = 57,600 : x
  2. Step 2: Convert to fraction form
    104,704/144,491.52 = 57,600/x
  3. Step 3: Cross multiply
    104,704x = 144,491.52 × 57,600
  4. Step 4: Simplify right side
    104,704x = 8,322,711,552.00
  5. Step 5: Solve for x
    x = 8,322,711,552.00/104,704
  6. Step 6: Final answer
    x = 79,488.00

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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.