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Finding the Fourth Proportional to 164,487.88, 226,993.21 and 89,036.38

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Solution

The fourth proportional to 164,487.88, 226,993.21 and 89,036.38 is: 122,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,487.88 : 226,993.21 = 89,036.38 : x
  2. Step 2: Convert to fraction form
    164,487.88/226,993.21 = 89,036.38/x
  3. Step 3: Cross multiply
    164,487.88x = 226,993.21 × 89,036.38
  4. Step 4: Simplify right side
    164,487.88x = 20,210,653,702.98
  5. Step 5: Solve for x
    x = 20,210,653,702.98/164,487.88
  6. Step 6: Final answer
    x = 122,870.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.