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Finding the Fourth Proportional to 104,498.74, 144,207.62 and 56,751.67

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Solution

The fourth proportional to 104,498.74, 144,207.62 and 56,751.67 is: 78,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,498.74 : 144,207.62 = 56,751.67 : x
  2. Step 2: Convert to fraction form
    104,498.74/144,207.62 = 56,751.67/x
  3. Step 3: Cross multiply
    104,498.74x = 144,207.62 × 56,751.67
  4. Step 4: Simplify right side
    104,498.74x = 8,184,022,540.69
  5. Step 5: Solve for x
    x = 8,184,022,540.69/104,498.74
  6. Step 6: Final answer
    x = 78,316.95

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1.5x scale

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.