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Finding the Fourth Proportional to 163,876.84, 245,819.94 and 89,032.84

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Solution

The fourth proportional to 163,876.84, 245,819.94 and 89,032.84 is: 133,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,876.84 : 245,819.94 = 89,032.84 : x
  2. Step 2: Convert to fraction form
    163,876.84/245,819.94 = 89,032.84/x
  3. Step 3: Cross multiply
    163,876.84x = 245,819.94 × 89,032.84
  4. Step 4: Simplify right side
    163,876.84x = 21,886,047,386.83
  5. Step 5: Solve for x
    x = 21,886,047,386.83/163,876.84
  6. Step 6: Final answer
    x = 133,551.80

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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.