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Finding the Fourth Proportional to 176,709.84, 265,073.28 and 58,378.56

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Solution

The fourth proportional to 176,709.84, 265,073.28 and 58,378.56 is: 87,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,709.84 : 265,073.28 = 58,378.56 : x
  2. Step 2: Convert to fraction form
    176,709.84/265,073.28 = 58,378.56/x
  3. Step 3: Cross multiply
    176,709.84x = 265,073.28 × 58,378.56
  4. Step 4: Simplify right side
    176,709.84x = 15,474,596,380.88
  5. Step 5: Solve for x
    x = 15,474,596,380.88/176,709.84
  6. Step 6: Final answer
    x = 87,570.65

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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.