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Finding the Fourth Proportional to 325,294.75, 487,820.93 and 112,003.02

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Solution

The fourth proportional to 325,294.75, 487,820.93 and 112,003.02 is: 167,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,294.75 : 487,820.93 = 112,003.02 : x
  2. Step 2: Convert to fraction form
    325,294.75/487,820.93 = 112,003.02/x
  3. Step 3: Cross multiply
    325,294.75x = 487,820.93 × 112,003.02
  4. Step 4: Simplify right side
    325,294.75x = 54,637,417,449.21
  5. Step 5: Solve for x
    x = 54,637,417,449.21/325,294.75
  6. Step 6: Final answer
    x = 167,962.80

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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.