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Finding the Fourth Proportional to 301,231.02, 415,695.30 and 173,903.88

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Solution

The fourth proportional to 301,231.02, 415,695.30 and 173,903.88 is: 239,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,231.02 : 415,695.30 = 173,903.88 : x
  2. Step 2: Convert to fraction form
    301,231.02/415,695.30 = 173,903.88/x
  3. Step 3: Cross multiply
    301,231.02x = 415,695.30 × 173,903.88
  4. Step 4: Simplify right side
    301,231.02x = 72,291,025,567.76
  5. Step 5: Solve for x
    x = 72,291,025,567.76/301,231.02
  6. Step 6: Final answer
    x = 239,985.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.