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Finding the Fourth Proportional to 173,328.33, 259,992.38 and 65,278.08

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Solution

The fourth proportional to 173,328.33, 259,992.38 and 65,278.08 is: 97,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,328.33 : 259,992.38 = 65,278.08 : x
  2. Step 2: Convert to fraction form
    173,328.33/259,992.38 = 65,278.08/x
  3. Step 3: Cross multiply
    173,328.33x = 259,992.38 × 65,278.08
  4. Step 4: Simplify right side
    173,328.33x = 16,971,803,381.03
  5. Step 5: Solve for x
    x = 16,971,803,381.03/173,328.33
  6. Step 6: Final answer
    x = 97,917.08

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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.