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Finding the Fourth Proportional to 179,578.84, 247,807.38 and 99,001.96

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Solution

The fourth proportional to 179,578.84, 247,807.38 and 99,001.96 is: 136,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,578.84 : 247,807.38 = 99,001.96 : x
  2. Step 2: Convert to fraction form
    179,578.84/247,807.38 = 99,001.96/x
  3. Step 3: Cross multiply
    179,578.84x = 247,807.38 × 99,001.96
  4. Step 4: Simplify right side
    179,578.84x = 24,533,416,322.46
  5. Step 5: Solve for x
    x = 24,533,416,322.46/179,578.84
  6. Step 6: Final answer
    x = 136,616.41

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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.