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Finding the Fourth Proportional to 168,978.91, 233,133.95 and 97,357.15

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Solution

The fourth proportional to 168,978.91, 233,133.95 and 97,357.15 is: 134,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,978.91 : 233,133.95 = 97,357.15 : x
  2. Step 2: Convert to fraction form
    168,978.91/233,133.95 = 97,357.15/x
  3. Step 3: Cross multiply
    168,978.91x = 233,133.95 × 97,357.15
  4. Step 4: Simplify right side
    168,978.91x = 22,697,256,940.24
  5. Step 5: Solve for x
    x = 22,697,256,940.24/168,978.91
  6. Step 6: Final answer
    x = 134,320.06

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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.