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Finding the Fourth Proportional to 163,295.76, 244,919.16 and 77,885.04

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Solution

The fourth proportional to 163,295.76, 244,919.16 and 77,885.04 is: 116,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,295.76 : 244,919.16 = 77,885.04 : x
  2. Step 2: Convert to fraction form
    163,295.76/244,919.16 = 77,885.04/x
  3. Step 3: Cross multiply
    163,295.76x = 244,919.16 × 77,885.04
  4. Step 4: Simplify right side
    163,295.76x = 19,075,538,573.37
  5. Step 5: Solve for x
    x = 19,075,538,573.37/163,295.76
  6. Step 6: Final answer
    x = 116,815.88

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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.