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Finding the Fourth Proportional to 370,054.20, 555,151.32 and 117,398.28

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Solution

The fourth proportional to 370,054.20, 555,151.32 and 117,398.28 is: 176,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,054.20 : 555,151.32 = 117,398.28 : x
  2. Step 2: Convert to fraction form
    370,054.20/555,151.32 = 117,398.28/x
  3. Step 3: Cross multiply
    370,054.20x = 555,151.32 × 117,398.28
  4. Step 4: Simplify right side
    370,054.20x = 65,173,810,107.73
  5. Step 5: Solve for x
    x = 65,173,810,107.73/370,054.20
  6. Step 6: Final answer
    x = 176,119.63

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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.