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Finding the Fourth Proportional to 176,911.70, 244,122.75 and 100,434.02

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Solution

The fourth proportional to 176,911.70, 244,122.75 and 100,434.02 is: 138,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,911.70 : 244,122.75 = 100,434.02 : x
  2. Step 2: Convert to fraction form
    176,911.70/244,122.75 = 100,434.02/x
  3. Step 3: Cross multiply
    176,911.70x = 244,122.75 × 100,434.02
  4. Step 4: Simplify right side
    176,911.70x = 24,518,227,935.34
  5. Step 5: Solve for x
    x = 24,518,227,935.34/176,911.70
  6. Step 6: Final answer
    x = 138,590.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.