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Finding the Fourth Proportional to 88,965, 133,447.50 and 26,635.50

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Solution

The fourth proportional to 88,965, 133,447.50 and 26,635.50 is: 39,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,965 : 133,447.50 = 26,635.50 : x
  2. Step 2: Convert to fraction form
    88,965/133,447.50 = 26,635.50/x
  3. Step 3: Cross multiply
    88,965x = 133,447.50 × 26,635.50
  4. Step 4: Simplify right side
    88,965x = 3,554,440,886.25
  5. Step 5: Solve for x
    x = 3,554,440,886.25/88,965
  6. Step 6: Final answer
    x = 39,953.25

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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.