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Finding the Fourth Proportional to 89,672.70, 134,526.75 and 26,493.93

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Solution

The fourth proportional to 89,672.70, 134,526.75 and 26,493.93 is: 39,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,672.70 : 134,526.75 = 26,493.93 : x
  2. Step 2: Convert to fraction form
    89,672.70/134,526.75 = 26,493.93/x
  3. Step 3: Cross multiply
    89,672.70x = 134,526.75 × 26,493.93
  4. Step 4: Simplify right side
    89,672.70x = 3,564,142,297.63
  5. Step 5: Solve for x
    x = 3,564,142,297.63/89,672.70
  6. Step 6: Final answer
    x = 39,746.12

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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.