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Finding the Fourth Proportional to 121,092.60, 181,466.10 and 89,254.20

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Solution

The fourth proportional to 121,092.60, 181,466.10 and 89,254.20 is: 133,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,092.60 : 181,466.10 = 89,254.20 : x
  2. Step 2: Convert to fraction form
    121,092.60/181,466.10 = 89,254.20/x
  3. Step 3: Cross multiply
    121,092.60x = 181,466.10 × 89,254.20
  4. Step 4: Simplify right side
    121,092.60x = 16,196,611,582.62
  5. Step 5: Solve for x
    x = 16,196,611,582.62/121,092.60
  6. Step 6: Final answer
    x = 133,753.93

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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.