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Finding the Fourth Proportional to 169,656.53, 234,154.80 and 98,078.04

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Solution

The fourth proportional to 169,656.53, 234,154.80 and 98,078.04 is: 135,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,656.53 : 234,154.80 = 98,078.04 : x
  2. Step 2: Convert to fraction form
    169,656.53/234,154.80 = 98,078.04/x
  3. Step 3: Cross multiply
    169,656.53x = 234,154.80 × 98,078.04
  4. Step 4: Simplify right side
    169,656.53x = 22,965,443,840.59
  5. Step 5: Solve for x
    x = 22,965,443,840.59/169,656.53
  6. Step 6: Final answer
    x = 135,364.34

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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.