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Finding the Fourth Proportional to 176,388.80, 243,409.56 and 104,766.92

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Solution

The fourth proportional to 176,388.80, 243,409.56 and 104,766.92 is: 144,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,388.80 : 243,409.56 = 104,766.92 : x
  2. Step 2: Convert to fraction form
    176,388.80/243,409.56 = 104,766.92/x
  3. Step 3: Cross multiply
    176,388.80x = 243,409.56 × 104,766.92
  4. Step 4: Simplify right side
    176,388.80x = 25,501,269,899.76
  5. Step 5: Solve for x
    x = 25,501,269,899.76/176,388.80
  6. Step 6: Final answer
    x = 144,574.20

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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.