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Finding the Fourth Proportional to 104,497.32, 144,206.58 and 56,751.48

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Solution

The fourth proportional to 104,497.32, 144,206.58 and 56,751.48 is: 78,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,497.32 : 144,206.58 = 56,751.48 : x
  2. Step 2: Convert to fraction form
    104,497.32/144,206.58 = 56,751.48/x
  3. Step 3: Cross multiply
    104,497.32x = 144,206.58 × 56,751.48
  4. Step 4: Simplify right side
    104,497.32x = 8,183,936,840.74
  5. Step 5: Solve for x
    x = 8,183,936,840.74/104,497.32
  6. Step 6: Final answer
    x = 78,317.19

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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.