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Finding the Fourth Proportional to 92,999.14, 128,161.84 and 67,461.46

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Solution

The fourth proportional to 92,999.14, 128,161.84 and 67,461.46 is: 92,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,999.14 : 128,161.84 = 67,461.46 : x
  2. Step 2: Convert to fraction form
    92,999.14/128,161.84 = 67,461.46/x
  3. Step 3: Cross multiply
    92,999.14x = 128,161.84 × 67,461.46
  4. Step 4: Simplify right side
    92,999.14x = 8,645,984,842.69
  5. Step 5: Solve for x
    x = 8,645,984,842.69/92,999.14
  6. Step 6: Final answer
    x = 92,968.44

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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.