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Finding the Fourth Proportional to 176,536.94, 243,641.34 and 104,916.33

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Solution

The fourth proportional to 176,536.94, 243,641.34 and 104,916.33 is: 144,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,536.94 : 243,641.34 = 104,916.33 : x
  2. Step 2: Convert to fraction form
    176,536.94/243,641.34 = 104,916.33/x
  3. Step 3: Cross multiply
    176,536.94x = 243,641.34 × 104,916.33
  4. Step 4: Simplify right side
    176,536.94x = 25,561,955,229.08
  5. Step 5: Solve for x
    x = 25,561,955,229.08/176,536.94
  6. Step 6: Final answer
    x = 144,796.64

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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.