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Finding the Fourth Proportional to 168,671, 232,762.86 and 93,217.88

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Solution

The fourth proportional to 168,671, 232,762.86 and 93,217.88 is: 128,638.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,671 : 232,762.86 = 93,217.88 : x
  2. Step 2: Convert to fraction form
    168,671/232,762.86 = 93,217.88/x
  3. Step 3: Cross multiply
    168,671x = 232,762.86 × 93,217.88
  4. Step 4: Simplify right side
    168,671x = 21,697,660,351.94
  5. Step 5: Solve for x
    x = 21,697,660,351.94/168,671
  6. Step 6: Final answer
    x = 128,638.95

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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.