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Finding the Fourth Proportional to 176,614.80, 264,922.20 and 64,421.70

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Solution

The fourth proportional to 176,614.80, 264,922.20 and 64,421.70 is: 96,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,614.80 : 264,922.20 = 64,421.70 : x
  2. Step 2: Convert to fraction form
    176,614.80/264,922.20 = 64,421.70/x
  3. Step 3: Cross multiply
    176,614.80x = 264,922.20 × 64,421.70
  4. Step 4: Simplify right side
    176,614.80x = 17,066,738,491.74
  5. Step 5: Solve for x
    x = 17,066,738,491.74/176,614.80
  6. Step 6: Final answer
    x = 96,632.55

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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.