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Finding the Fourth Proportional to 176,409.86, 243,466.46 and 104,790.16

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Solution

The fourth proportional to 176,409.86, 243,466.46 and 104,790.16 is: 144,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,409.86 : 243,466.46 = 104,790.16 : x
  2. Step 2: Convert to fraction form
    176,409.86/243,466.46 = 104,790.16/x
  3. Step 3: Cross multiply
    176,409.86x = 243,466.46 × 104,790.16
  4. Step 4: Simplify right side
    176,409.86x = 25,512,889,298.03
  5. Step 5: Solve for x
    x = 25,512,889,298.03/176,409.86
  6. Step 6: Final answer
    x = 144,622.81

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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.