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Finding the Fourth Proportional to 163,889.68, 245,834.52 and 93,719.92

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Solution

The fourth proportional to 163,889.68, 245,834.52 and 93,719.92 is: 140,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,889.68 : 245,834.52 = 93,719.92 : x
  2. Step 2: Convert to fraction form
    163,889.68/245,834.52 = 93,719.92/x
  3. Step 3: Cross multiply
    163,889.68x = 245,834.52 × 93,719.92
  4. Step 4: Simplify right side
    163,889.68x = 23,039,591,547.64
  5. Step 5: Solve for x
    x = 23,039,591,547.64/163,889.68
  6. Step 6: Final answer
    x = 140,579.88

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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.