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Finding the Fourth Proportional to 176,141.76, 243,076 and 104,519.92

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Solution

The fourth proportional to 176,141.76, 243,076 and 104,519.92 is: 144,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,141.76 : 243,076 = 104,519.92 : x
  2. Step 2: Convert to fraction form
    176,141.76/243,076 = 104,519.92/x
  3. Step 3: Cross multiply
    176,141.76x = 243,076 × 104,519.92
  4. Step 4: Simplify right side
    176,141.76x = 25,406,284,073.92
  5. Step 5: Solve for x
    x = 25,406,284,073.92/176,141.76
  6. Step 6: Final answer
    x = 144,237.71

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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.