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Finding the Fourth Proportional to 159,300.60, 238,983.58 and 133,187.82

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Solution

The fourth proportional to 159,300.60, 238,983.58 and 133,187.82 is: 199,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,300.60 : 238,983.58 = 133,187.82 : x
  2. Step 2: Convert to fraction form
    159,300.60/238,983.58 = 133,187.82/x
  3. Step 3: Cross multiply
    159,300.60x = 238,983.58 × 133,187.82
  4. Step 4: Simplify right side
    159,300.60x = 31,829,702,036.00
  5. Step 5: Solve for x
    x = 31,829,702,036.00/159,300.60
  6. Step 6: Final answer
    x = 199,809.05

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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.