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Finding the Fourth Proportional to 176,660.53, 264,378.43 and 169,312.21

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Solution

The fourth proportional to 176,660.53, 264,378.43 and 169,312.21 is: 253,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,660.53 : 264,378.43 = 169,312.21 : x
  2. Step 2: Convert to fraction form
    176,660.53/264,378.43 = 169,312.21/x
  3. Step 3: Cross multiply
    176,660.53x = 264,378.43 × 169,312.21
  4. Step 4: Simplify right side
    176,660.53x = 44,762,496,259.63
  5. Step 5: Solve for x
    x = 44,762,496,259.63/176,660.53
  6. Step 6: Final answer
    x = 253,381.42

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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.