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Finding the Fourth Proportional to 370,442.52, 555,666.54 and 104,229.96

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Solution

The fourth proportional to 370,442.52, 555,666.54 and 104,229.96 is: 156,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,442.52 : 555,666.54 = 104,229.96 : x
  2. Step 2: Convert to fraction form
    370,442.52/555,666.54 = 104,229.96/x
  3. Step 3: Cross multiply
    370,442.52x = 555,666.54 × 104,229.96
  4. Step 4: Simplify right side
    370,442.52x = 57,917,101,237.54
  5. Step 5: Solve for x
    x = 57,917,101,237.54/370,442.52
  6. Step 6: Final answer
    x = 156,345.72

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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.