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Finding the Fourth Proportional to 176,209.72, 243,058.81 and 104,539

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Solution

The fourth proportional to 176,209.72, 243,058.81 and 104,539 is: 144,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,209.72 : 243,058.81 = 104,539 : x
  2. Step 2: Convert to fraction form
    176,209.72/243,058.81 = 104,539/x
  3. Step 3: Cross multiply
    176,209.72x = 243,058.81 × 104,539
  4. Step 4: Simplify right side
    176,209.72x = 25,409,124,938.59
  5. Step 5: Solve for x
    x = 25,409,124,938.59/176,209.72
  6. Step 6: Final answer
    x = 144,198.20

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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.