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Finding the Fourth Proportional to 176,580.43, 264,864.77 and 76,740.72

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Solution

The fourth proportional to 176,580.43, 264,864.77 and 76,740.72 is: 115,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,580.43 : 264,864.77 = 76,740.72 : x
  2. Step 2: Convert to fraction form
    176,580.43/264,864.77 = 76,740.72/x
  3. Step 3: Cross multiply
    176,580.43x = 264,864.77 × 76,740.72
  4. Step 4: Simplify right side
    176,580.43x = 20,325,913,152.43
  5. Step 5: Solve for x
    x = 20,325,913,152.43/176,580.43
  6. Step 6: Final answer
    x = 115,108.53

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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.