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Finding the Fourth Proportional to 169,914.84, 234,497.41 and 93,447.40

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Solution

The fourth proportional to 169,914.84, 234,497.41 and 93,447.40 is: 128,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,914.84 : 234,497.41 = 93,447.40 : x
  2. Step 2: Convert to fraction form
    169,914.84/234,497.41 = 93,447.40/x
  3. Step 3: Cross multiply
    169,914.84x = 234,497.41 × 93,447.40
  4. Step 4: Simplify right side
    169,914.84x = 21,913,173,271.23
  5. Step 5: Solve for x
    x = 21,913,173,271.23/169,914.84
  6. Step 6: Final answer
    x = 128,965.62

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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.