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Finding the Fourth Proportional to 325,101.60, 487,652.40 and 167,637.60

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Solution

The fourth proportional to 325,101.60, 487,652.40 and 167,637.60 is: 251,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,101.60 : 487,652.40 = 167,637.60 : x
  2. Step 2: Convert to fraction form
    325,101.60/487,652.40 = 167,637.60/x
  3. Step 3: Cross multiply
    325,101.60x = 487,652.40 × 167,637.60
  4. Step 4: Simplify right side
    325,101.60x = 81,748,877,970.24
  5. Step 5: Solve for x
    x = 81,748,877,970.24/325,101.60
  6. Step 6: Final answer
    x = 251,456.40

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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.