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Finding the Fourth Proportional to 176,148.98, 243,148.64 and 104,529

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Solution

The fourth proportional to 176,148.98, 243,148.64 and 104,529 is: 144,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,148.98 : 243,148.64 = 104,529 : x
  2. Step 2: Convert to fraction form
    176,148.98/243,148.64 = 104,529/x
  3. Step 3: Cross multiply
    176,148.98x = 243,148.64 × 104,529
  4. Step 4: Simplify right side
    176,148.98x = 25,416,083,667.92
  5. Step 5: Solve for x
    x = 25,416,083,667.92/176,148.98
  6. Step 6: Final answer
    x = 144,287.43

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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.