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Finding the Fourth Proportional to 117,178.44, 175,829.64 and 63,908.88

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Solution

The fourth proportional to 117,178.44, 175,829.64 and 63,908.88 is: 95,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,178.44 : 175,829.64 = 63,908.88 : x
  2. Step 2: Convert to fraction form
    117,178.44/175,829.64 = 63,908.88/x
  3. Step 3: Cross multiply
    117,178.44x = 175,829.64 × 63,908.88
  4. Step 4: Simplify right side
    117,178.44x = 11,237,075,363.20
  5. Step 5: Solve for x
    x = 11,237,075,363.20/117,178.44
  6. Step 6: Final answer
    x = 95,897.12

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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.