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Finding the Fourth Proportional to 116,658.41, 160,841.30 and 76,308.26

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Solution

The fourth proportional to 116,658.41, 160,841.30 and 76,308.26 is: 105,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,658.41 : 160,841.30 = 76,308.26 : x
  2. Step 2: Convert to fraction form
    116,658.41/160,841.30 = 76,308.26/x
  3. Step 3: Cross multiply
    116,658.41x = 160,841.30 × 76,308.26
  4. Step 4: Simplify right side
    116,658.41x = 12,273,518,553.39
  5. Step 5: Solve for x
    x = 12,273,518,553.39/116,658.41
  6. Step 6: Final answer
    x = 105,209.04

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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.