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Finding the Fourth Proportional to 370,242.31, 555,385.01 and 104,023.57

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Solution

The fourth proportional to 370,242.31, 555,385.01 and 104,023.57 is: 156,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,242.31 : 555,385.01 = 104,023.57 : x
  2. Step 2: Convert to fraction form
    370,242.31/555,385.01 = 104,023.57/x
  3. Step 3: Cross multiply
    370,242.31x = 555,385.01 × 104,023.57
  4. Step 4: Simplify right side
    370,242.31x = 57,773,131,464.69
  5. Step 5: Solve for x
    x = 57,773,131,464.69/370,242.31
  6. Step 6: Final answer
    x = 156,041.41

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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.