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Finding the Fourth Proportional to 176,247.61, 264,315.43 and 57,891.40

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Solution

The fourth proportional to 176,247.61, 264,315.43 and 57,891.40 is: 86,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,247.61 : 264,315.43 = 57,891.40 : x
  2. Step 2: Convert to fraction form
    176,247.61/264,315.43 = 57,891.40/x
  3. Step 3: Cross multiply
    176,247.61x = 264,315.43 × 57,891.40
  4. Step 4: Simplify right side
    176,247.61x = 15,301,590,284.30
  5. Step 5: Solve for x
    x = 15,301,590,284.30/176,247.61
  6. Step 6: Final answer
    x = 86,818.71

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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.