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Finding the Fourth Proportional to 176,624.10, 264,936.15 and 145,332.79

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Solution

The fourth proportional to 176,624.10, 264,936.15 and 145,332.79 is: 217,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,624.10 : 264,936.15 = 145,332.79 : x
  2. Step 2: Convert to fraction form
    176,624.10/264,936.15 = 145,332.79/x
  3. Step 3: Cross multiply
    176,624.10x = 264,936.15 × 145,332.79
  4. Step 4: Simplify right side
    176,624.10x = 38,503,909,189.02
  5. Step 5: Solve for x
    x = 38,503,909,189.02/176,624.10
  6. Step 6: Final answer
    x = 217,999.18

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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.