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Finding the Fourth Proportional to 94,105.68, 129,866.30 and 53,821.14

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Solution

The fourth proportional to 94,105.68, 129,866.30 and 53,821.14 is: 74,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,105.68 : 129,866.30 = 53,821.14 : x
  2. Step 2: Convert to fraction form
    94,105.68/129,866.30 = 53,821.14/x
  3. Step 3: Cross multiply
    94,105.68x = 129,866.30 × 53,821.14
  4. Step 4: Simplify right side
    94,105.68x = 6,989,552,313.58
  5. Step 5: Solve for x
    x = 6,989,552,313.58/94,105.68
  6. Step 6: Final answer
    x = 74,273.44

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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.