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Finding the Fourth Proportional to 370,258.92, 555,407.39 and 104,040.18

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Solution

The fourth proportional to 370,258.92, 555,407.39 and 104,040.18 is: 156,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,258.92 : 555,407.39 = 104,040.18 : x
  2. Step 2: Convert to fraction form
    370,258.92/555,407.39 = 104,040.18/x
  3. Step 3: Cross multiply
    370,258.92x = 555,407.39 × 104,040.18
  4. Step 4: Simplify right side
    370,258.92x = 57,784,685,089.03
  5. Step 5: Solve for x
    x = 57,784,685,089.03/370,258.92
  6. Step 6: Final answer
    x = 156,065.61

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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.