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Finding the Fourth Proportional to 174,959.61, 262,283.16 and 68,318.76

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Solution

The fourth proportional to 174,959.61, 262,283.16 and 68,318.76 is: 102,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,959.61 : 262,283.16 = 68,318.76 : x
  2. Step 2: Convert to fraction form
    174,959.61/262,283.16 = 68,318.76/x
  3. Step 3: Cross multiply
    174,959.61x = 262,283.16 × 68,318.76
  4. Step 4: Simplify right side
    174,959.61x = 17,918,860,260.08
  5. Step 5: Solve for x
    x = 17,918,860,260.08/174,959.61
  6. Step 6: Final answer
    x = 102,417.13

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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.