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Finding the Fourth Proportional to 77,554.56, 116,352 and 22,154.88

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Solution

The fourth proportional to 77,554.56, 116,352 and 22,154.88 is: 33,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,554.56 : 116,352 = 22,154.88 : x
  2. Step 2: Convert to fraction form
    77,554.56/116,352 = 22,154.88/x
  3. Step 3: Cross multiply
    77,554.56x = 116,352 × 22,154.88
  4. Step 4: Simplify right side
    77,554.56x = 2,577,764,597.76
  5. Step 5: Solve for x
    x = 2,577,764,597.76/77,554.56
  6. Step 6: Final answer
    x = 33,238.08

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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.