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Finding the Fourth Proportional to 176,542.92, 243,664.64 and 104,909.10

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Solution

The fourth proportional to 176,542.92, 243,664.64 and 104,909.10 is: 144,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,542.92 : 243,664.64 = 104,909.10 : x
  2. Step 2: Convert to fraction form
    176,542.92/243,664.64 = 104,909.10/x
  3. Step 3: Cross multiply
    176,542.92x = 243,664.64 × 104,909.10
  4. Step 4: Simplify right side
    176,542.92x = 25,562,638,084.22
  5. Step 5: Solve for x
    x = 25,562,638,084.22/176,542.92
  6. Step 6: Final answer
    x = 144,795.60

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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.