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Finding the Fourth Proportional to 175,235.54, 262,875.16 and 68,605.72

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Solution

The fourth proportional to 175,235.54, 262,875.16 and 68,605.72 is: 102,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,235.54 : 262,875.16 = 68,605.72 : x
  2. Step 2: Convert to fraction form
    175,235.54/262,875.16 = 68,605.72/x
  3. Step 3: Cross multiply
    175,235.54x = 262,875.16 × 68,605.72
  4. Step 4: Simplify right side
    175,235.54x = 18,034,739,621.92
  5. Step 5: Solve for x
    x = 18,034,739,621.92/175,235.54
  6. Step 6: Final answer
    x = 102,917.13

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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.