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Finding the Fourth Proportional to 117,484.84, 176,226.45 and 28,739.62

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Solution

The fourth proportional to 117,484.84, 176,226.45 and 28,739.62 is: 43,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,484.84 : 176,226.45 = 28,739.62 : x
  2. Step 2: Convert to fraction form
    117,484.84/176,226.45 = 28,739.62/x
  3. Step 3: Cross multiply
    117,484.84x = 176,226.45 × 28,739.62
  4. Step 4: Simplify right side
    117,484.84x = 5,064,681,206.95
  5. Step 5: Solve for x
    x = 5,064,681,206.95/117,484.84
  6. Step 6: Final answer
    x = 43,109.23

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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.