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Finding the Fourth Proportional to 234,049.53, 322,985.21 and 130,685.33

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Solution

The fourth proportional to 234,049.53, 322,985.21 and 130,685.33 is: 180,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,049.53 : 322,985.21 = 130,685.33 : x
  2. Step 2: Convert to fraction form
    234,049.53/322,985.21 = 130,685.33/x
  3. Step 3: Cross multiply
    234,049.53x = 322,985.21 × 130,685.33
  4. Step 4: Simplify right side
    234,049.53x = 42,209,428,908.01
  5. Step 5: Solve for x
    x = 42,209,428,908.01/234,049.53
  6. Step 6: Final answer
    x = 180,344.00

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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.