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Finding the Fourth Proportional to 125,958.88, 173,810.40 and 77,553.13

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Solution

The fourth proportional to 125,958.88, 173,810.40 and 77,553.13 is: 107,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,958.88 : 173,810.40 = 77,553.13 : x
  2. Step 2: Convert to fraction form
    125,958.88/173,810.40 = 77,553.13/x
  3. Step 3: Cross multiply
    125,958.88x = 173,810.40 × 77,553.13
  4. Step 4: Simplify right side
    125,958.88x = 13,479,540,112.03
  5. Step 5: Solve for x
    x = 13,479,540,112.03/125,958.88
  6. Step 6: Final answer
    x = 107,015.40

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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.