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Finding the Fourth Proportional to 116,006.60, 173,621.10 and 81,014.60

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Solution

The fourth proportional to 116,006.60, 173,621.10 and 81,014.60 is: 121,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,006.60 : 173,621.10 = 81,014.60 : x
  2. Step 2: Convert to fraction form
    116,006.60/173,621.10 = 81,014.60/x
  3. Step 3: Cross multiply
    116,006.60x = 173,621.10 × 81,014.60
  4. Step 4: Simplify right side
    116,006.60x = 14,065,843,968.06
  5. Step 5: Solve for x
    x = 14,065,843,968.06/116,006.60
  6. Step 6: Final answer
    x = 121,250.38

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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.