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Finding the Fourth Proportional to 270,868.95, 406,368.24 and 113,009.67

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Solution

The fourth proportional to 270,868.95, 406,368.24 and 113,009.67 is: 169,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,868.95 : 406,368.24 = 113,009.67 : x
  2. Step 2: Convert to fraction form
    270,868.95/406,368.24 = 113,009.67/x
  3. Step 3: Cross multiply
    270,868.95x = 406,368.24 × 113,009.67
  4. Step 4: Simplify right side
    270,868.95x = 45,923,540,700.88
  5. Step 5: Solve for x
    x = 45,923,540,700.88/270,868.95
  6. Step 6: Final answer
    x = 169,541.55

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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.