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Finding the Fourth Proportional to 94,055.67, 129,795.12 and 53,219.43

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Solution

The fourth proportional to 94,055.67, 129,795.12 and 53,219.43 is: 73,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,055.67 : 129,795.12 = 53,219.43 : x
  2. Step 2: Convert to fraction form
    94,055.67/129,795.12 = 53,219.43/x
  3. Step 3: Cross multiply
    94,055.67x = 129,795.12 × 53,219.43
  4. Step 4: Simplify right side
    94,055.67x = 6,907,622,303.18
  5. Step 5: Solve for x
    x = 6,907,622,303.18/94,055.67
  6. Step 6: Final answer
    x = 73,441.85

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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.