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Finding the Fourth Proportional to 163,567.80, 245,222.10 and 89,695.80

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Solution

The fourth proportional to 163,567.80, 245,222.10 and 89,695.80 is: 134,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,567.80 : 245,222.10 = 89,695.80 : x
  2. Step 2: Convert to fraction form
    163,567.80/245,222.10 = 89,695.80/x
  3. Step 3: Cross multiply
    163,567.80x = 245,222.10 × 89,695.80
  4. Step 4: Simplify right side
    163,567.80x = 21,995,392,437.18
  5. Step 5: Solve for x
    x = 21,995,392,437.18/163,567.80
  6. Step 6: Final answer
    x = 134,472.63

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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.