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Finding the Fourth Proportional to 370,016.76, 555,012.90 and 156,727.68

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Solution

The fourth proportional to 370,016.76, 555,012.90 and 156,727.68 is: 235,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,016.76 : 555,012.90 = 156,727.68 : x
  2. Step 2: Convert to fraction form
    370,016.76/555,012.90 = 156,727.68/x
  3. Step 3: Cross multiply
    370,016.76x = 555,012.90 × 156,727.68
  4. Step 4: Simplify right side
    370,016.76x = 86,985,884,187.07
  5. Step 5: Solve for x
    x = 86,985,884,187.07/370,016.76
  6. Step 6: Final answer
    x = 235,086.34

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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.