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Finding the Fourth Proportional to 240,023.34, 360,030.56 and 71,657.82

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Solution

The fourth proportional to 240,023.34, 360,030.56 and 71,657.82 is: 107,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,023.34 : 360,030.56 = 71,657.82 : x
  2. Step 2: Convert to fraction form
    240,023.34/360,030.56 = 71,657.82/x
  3. Step 3: Cross multiply
    240,023.34x = 360,030.56 × 71,657.82
  4. Step 4: Simplify right side
    240,023.34x = 25,799,004,704.69
  5. Step 5: Solve for x
    x = 25,799,004,704.69/240,023.34
  6. Step 6: Final answer
    x = 107,485.40

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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.