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Finding the Fourth Proportional to 163,873.84, 245,815.44 and 89,029.84

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Solution

The fourth proportional to 163,873.84, 245,815.44 and 89,029.84 is: 133,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,873.84 : 245,815.44 = 89,029.84 : x
  2. Step 2: Convert to fraction form
    163,873.84/245,815.44 = 89,029.84/x
  3. Step 3: Cross multiply
    163,873.84x = 245,815.44 × 89,029.84
  4. Step 4: Simplify right side
    163,873.84x = 21,884,909,292.73
  5. Step 5: Solve for x
    x = 21,884,909,292.73/163,873.84
  6. Step 6: Final answer
    x = 133,547.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.