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Finding the Fourth Proportional to 237,987.36, 357,014.40 and 69,520.02

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Solution

The fourth proportional to 237,987.36, 357,014.40 and 69,520.02 is: 104,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,987.36 : 357,014.40 = 69,520.02 : x
  2. Step 2: Convert to fraction form
    237,987.36/357,014.40 = 69,520.02/x
  3. Step 3: Cross multiply
    237,987.36x = 357,014.40 × 69,520.02
  4. Step 4: Simplify right side
    237,987.36x = 24,819,648,228.29
  5. Step 5: Solve for x
    x = 24,819,648,228.29/237,987.36
  6. Step 6: Final answer
    x = 104,289.78

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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.