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Finding the Fourth Proportional to 176,336.72, 243,419.14 and 119,053.64

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Solution

The fourth proportional to 176,336.72, 243,419.14 and 119,053.64 is: 164,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,336.72 : 243,419.14 = 119,053.64 : x
  2. Step 2: Convert to fraction form
    176,336.72/243,419.14 = 119,053.64/x
  3. Step 3: Cross multiply
    176,336.72x = 243,419.14 × 119,053.64
  4. Step 4: Simplify right side
    176,336.72x = 28,979,934,662.67
  5. Step 5: Solve for x
    x = 28,979,934,662.67/176,336.72
  6. Step 6: Final answer
    x = 164,344.30

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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.