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Finding the Fourth Proportional to 75,143.84, 112,733.04 and 22,554.32

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Solution

The fourth proportional to 75,143.84, 112,733.04 and 22,554.32 is: 33,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,143.84 : 112,733.04 = 22,554.32 : x
  2. Step 2: Convert to fraction form
    75,143.84/112,733.04 = 22,554.32/x
  3. Step 3: Cross multiply
    75,143.84x = 112,733.04 × 22,554.32
  4. Step 4: Simplify right side
    75,143.84x = 2,542,617,058.73
  5. Step 5: Solve for x
    x = 2,542,617,058.73/75,143.84
  6. Step 6: Final answer
    x = 33,836.67

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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.