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Finding the Fourth Proportional to 112,073.84, 154,884.84 and 91,899.44

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Solution

The fourth proportional to 112,073.84, 154,884.84 and 91,899.44 is: 127,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,073.84 : 154,884.84 = 91,899.44 : x
  2. Step 2: Convert to fraction form
    112,073.84/154,884.84 = 91,899.44/x
  3. Step 3: Cross multiply
    112,073.84x = 154,884.84 × 91,899.44
  4. Step 4: Simplify right side
    112,073.84x = 14,233,830,060.49
  5. Step 5: Solve for x
    x = 14,233,830,060.49/112,073.84
  6. Step 6: Final answer
    x = 127,004.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.