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Finding the Fourth Proportional to 170,597.68, 255,929.33 and 65,408.45

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Solution

The fourth proportional to 170,597.68, 255,929.33 and 65,408.45 is: 98,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,597.68 : 255,929.33 = 65,408.45 : x
  2. Step 2: Convert to fraction form
    170,597.68/255,929.33 = 65,408.45/x
  3. Step 3: Cross multiply
    170,597.68x = 255,929.33 × 65,408.45
  4. Step 4: Simplify right side
    170,597.68x = 16,739,940,426.48
  5. Step 5: Solve for x
    x = 16,739,940,426.48/170,597.68
  6. Step 6: Final answer
    x = 98,125.25

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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.