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Finding the Fourth Proportional to 92,888.72, 139,290.50 and 29,696.56

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Solution

The fourth proportional to 92,888.72, 139,290.50 and 29,696.56 is: 44,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,888.72 : 139,290.50 = 29,696.56 : x
  2. Step 2: Convert to fraction form
    92,888.72/139,290.50 = 29,696.56/x
  3. Step 3: Cross multiply
    92,888.72x = 139,290.50 × 29,696.56
  4. Step 4: Simplify right side
    92,888.72x = 4,136,448,690.68
  5. Step 5: Solve for x
    x = 4,136,448,690.68/92,888.72
  6. Step 6: Final answer
    x = 44,531.23

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1.5x scale

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.