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Finding the Fourth Proportional to 176,588.66, 264,877.06 and 76,748.84

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Solution

The fourth proportional to 176,588.66, 264,877.06 and 76,748.84 is: 115,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,588.66 : 264,877.06 = 76,748.84 : x
  2. Step 2: Convert to fraction form
    176,588.66/264,877.06 = 76,748.84/x
  3. Step 3: Cross multiply
    176,588.66x = 264,877.06 × 76,748.84
  4. Step 4: Simplify right side
    176,588.66x = 20,329,007,567.93
  5. Step 5: Solve for x
    x = 20,329,007,567.93/176,588.66
  6. Step 6: Final answer
    x = 115,120.69

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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.