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Finding the Fourth Proportional to 120,773.49, 181,198.50 and 94,210.55

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Solution

The fourth proportional to 120,773.49, 181,198.50 and 94,210.55 is: 141,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,773.49 : 181,198.50 = 94,210.55 : x
  2. Step 2: Convert to fraction form
    120,773.49/181,198.50 = 94,210.55/x
  3. Step 3: Cross multiply
    120,773.49x = 181,198.50 × 94,210.55
  4. Step 4: Simplify right side
    120,773.49x = 17,070,810,344.18
  5. Step 5: Solve for x
    x = 17,070,810,344.18/120,773.49
  6. Step 6: Final answer
    x = 141,345.67

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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.