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Finding the Fourth Proportional to 163,861.74, 245,797.47 and 64,017.90

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Solution

The fourth proportional to 163,861.74, 245,797.47 and 64,017.90 is: 96,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,861.74 : 245,797.47 = 64,017.90 : x
  2. Step 2: Convert to fraction form
    163,861.74/245,797.47 = 64,017.90/x
  3. Step 3: Cross multiply
    163,861.74x = 245,797.47 × 64,017.90
  4. Step 4: Simplify right side
    163,861.74x = 15,735,437,854.71
  5. Step 5: Solve for x
    x = 15,735,437,854.71/163,861.74
  6. Step 6: Final answer
    x = 96,028.75

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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.