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Finding the Fourth Proportional to 175,262.34, 262,643.49 and 135,129.54

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Solution

The fourth proportional to 175,262.34, 262,643.49 and 135,129.54 is: 202,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,262.34 : 262,643.49 = 135,129.54 : x
  2. Step 2: Convert to fraction form
    175,262.34/262,643.49 = 135,129.54/x
  3. Step 3: Cross multiply
    175,262.34x = 262,643.49 × 135,129.54
  4. Step 4: Simplify right side
    175,262.34x = 35,490,893,987.69
  5. Step 5: Solve for x
    x = 35,490,893,987.69/175,262.34
  6. Step 6: Final answer
    x = 202,501.54

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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.