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Finding the Fourth Proportional to 112,888.50, 169,344.09 and 29,782.50

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Solution

The fourth proportional to 112,888.50, 169,344.09 and 29,782.50 is: 44,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,888.50 : 169,344.09 = 29,782.50 : x
  2. Step 2: Convert to fraction form
    112,888.50/169,344.09 = 29,782.50/x
  3. Step 3: Cross multiply
    112,888.50x = 169,344.09 × 29,782.50
  4. Step 4: Simplify right side
    112,888.50x = 5,043,490,360.43
  5. Step 5: Solve for x
    x = 5,043,490,360.43/112,888.50
  6. Step 6: Final answer
    x = 44,676.74

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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.