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Finding the Fourth Proportional to 168,976.16, 233,130.16 and 97,354.40

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Solution

The fourth proportional to 168,976.16, 233,130.16 and 97,354.40 is: 134,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,976.16 : 233,130.16 = 97,354.40 : x
  2. Step 2: Convert to fraction form
    168,976.16/233,130.16 = 97,354.40/x
  3. Step 3: Cross multiply
    168,976.16x = 233,130.16 × 97,354.40
  4. Step 4: Simplify right side
    168,976.16x = 22,696,246,848.70
  5. Step 5: Solve for x
    x = 22,696,246,848.70/168,976.16
  6. Step 6: Final answer
    x = 134,316.27

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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.