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Finding the Fourth Proportional to 208,911.66, 313,483.86 and 112,846.92

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Solution

The fourth proportional to 208,911.66, 313,483.86 and 112,846.92 is: 169,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,911.66 : 313,483.86 = 112,846.92 : x
  2. Step 2: Convert to fraction form
    208,911.66/313,483.86 = 112,846.92/x
  3. Step 3: Cross multiply
    208,911.66x = 313,483.86 × 112,846.92
  4. Step 4: Simplify right side
    208,911.66x = 35,375,688,070.71
  5. Step 5: Solve for x
    x = 35,375,688,070.71/208,911.66
  6. Step 6: Final answer
    x = 169,333.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.