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Finding the Fourth Proportional to 163,604.71, 245,412.56 and 45,266.14

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Solution

The fourth proportional to 163,604.71, 245,412.56 and 45,266.14 is: 67,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,604.71 : 245,412.56 = 45,266.14 : x
  2. Step 2: Convert to fraction form
    163,604.71/245,412.56 = 45,266.14/x
  3. Step 3: Cross multiply
    163,604.71x = 245,412.56 × 45,266.14
  4. Step 4: Simplify right side
    163,604.71x = 11,108,879,298.72
  5. Step 5: Solve for x
    x = 11,108,879,298.72/163,604.71
  6. Step 6: Final answer
    x = 67,900.73

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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.