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Finding the Fourth Proportional to 179,561.94, 247,796.28 and 98,987.64

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Solution

The fourth proportional to 179,561.94, 247,796.28 and 98,987.64 is: 136,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,561.94 : 247,796.28 = 98,987.64 : x
  2. Step 2: Convert to fraction form
    179,561.94/247,796.28 = 98,987.64/x
  3. Step 3: Cross multiply
    179,561.94x = 247,796.28 × 98,987.64
  4. Step 4: Simplify right side
    179,561.94x = 24,528,768,957.98
  5. Step 5: Solve for x
    x = 24,528,768,957.98/179,561.94
  6. Step 6: Final answer
    x = 136,603.39

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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.