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Finding the Fourth Proportional to 117,501.84, 176,251.92 and 28,756.62

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Solution

The fourth proportional to 117,501.84, 176,251.92 and 28,756.62 is: 43,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,501.84 : 176,251.92 = 28,756.62 : x
  2. Step 2: Convert to fraction form
    117,501.84/176,251.92 = 28,756.62/x
  3. Step 3: Cross multiply
    117,501.84x = 176,251.92 × 28,756.62
  4. Step 4: Simplify right side
    117,501.84x = 5,068,409,487.71
  5. Step 5: Solve for x
    x = 5,068,409,487.71/117,501.84
  6. Step 6: Final answer
    x = 43,134.72

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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.