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Finding the Fourth Proportional to 168,404.40, 232,400 and 92,952.96

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Solution

The fourth proportional to 168,404.40, 232,400 and 92,952.96 is: 128,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,404.40 : 232,400 = 92,952.96 : x
  2. Step 2: Convert to fraction form
    168,404.40/232,400 = 92,952.96/x
  3. Step 3: Cross multiply
    168,404.40x = 232,400 × 92,952.96
  4. Step 4: Simplify right side
    168,404.40x = 21,602,267,904
  5. Step 5: Solve for x
    x = 21,602,267,904/168,404.40
  6. Step 6: Final answer
    x = 128,276.15

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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.