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Finding the Fourth Proportional to 163,421.91, 245,069.69 and 63,568.62

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Solution

The fourth proportional to 163,421.91, 245,069.69 and 63,568.62 is: 95,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,421.91 : 245,069.69 = 63,568.62 : x
  2. Step 2: Convert to fraction form
    163,421.91/245,069.69 = 63,568.62/x
  3. Step 3: Cross multiply
    163,421.91x = 245,069.69 × 63,568.62
  4. Step 4: Simplify right side
    163,421.91x = 15,578,741,679.28
  5. Step 5: Solve for x
    x = 15,578,741,679.28/163,421.91
  6. Step 6: Final answer
    x = 95,328.35

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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.