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Finding the Fourth Proportional to 237,888.28, 328,290.33 and 130,451.50

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Solution

The fourth proportional to 237,888.28, 328,290.33 and 130,451.50 is: 180,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,888.28 : 328,290.33 = 130,451.50 : x
  2. Step 2: Convert to fraction form
    237,888.28/328,290.33 = 130,451.50/x
  3. Step 3: Cross multiply
    237,888.28x = 328,290.33 × 130,451.50
  4. Step 4: Simplify right side
    237,888.28x = 42,825,965,984.00
  5. Step 5: Solve for x
    x = 42,825,965,984.00/237,888.28
  6. Step 6: Final answer
    x = 180,025.54

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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.