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Finding the Fourth Proportional to 129,653.50, 194,513.07 and 36,159.25

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Solution

The fourth proportional to 129,653.50, 194,513.07 and 36,159.25 is: 54,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,653.50 : 194,513.07 = 36,159.25 : x
  2. Step 2: Convert to fraction form
    129,653.50/194,513.07 = 36,159.25/x
  3. Step 3: Cross multiply
    129,653.50x = 194,513.07 × 36,159.25
  4. Step 4: Simplify right side
    129,653.50x = 7,033,446,726.40
  5. Step 5: Solve for x
    x = 7,033,446,726.40/129,653.50
  6. Step 6: Final answer
    x = 54,248.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.