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Finding the Fourth Proportional to 173,125.84, 259,722.42 and 66,502

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Solution

The fourth proportional to 173,125.84, 259,722.42 and 66,502 is: 99,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,125.84 : 259,722.42 = 66,502 : x
  2. Step 2: Convert to fraction form
    173,125.84/259,722.42 = 66,502/x
  3. Step 3: Cross multiply
    173,125.84x = 259,722.42 × 66,502
  4. Step 4: Simplify right side
    173,125.84x = 17,272,060,374.84
  5. Step 5: Solve for x
    x = 17,272,060,374.84/173,125.84
  6. Step 6: Final answer
    x = 99,765.93

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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.