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Finding the Fourth Proportional to 121,833.66, 168,079.52 and 94,929.46

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Solution

The fourth proportional to 121,833.66, 168,079.52 and 94,929.46 is: 130,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,833.66 : 168,079.52 = 94,929.46 : x
  2. Step 2: Convert to fraction form
    121,833.66/168,079.52 = 94,929.46/x
  3. Step 3: Cross multiply
    121,833.66x = 168,079.52 × 94,929.46
  4. Step 4: Simplify right side
    121,833.66x = 15,955,698,070.66
  5. Step 5: Solve for x
    x = 15,955,698,070.66/121,833.66
  6. Step 6: Final answer
    x = 130,962.97

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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.