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Finding the Fourth Proportional to 125,958.66, 173,810.10 and 77,552.91

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Solution

The fourth proportional to 125,958.66, 173,810.10 and 77,552.91 is: 107,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,958.66 : 173,810.10 = 77,552.91 : x
  2. Step 2: Convert to fraction form
    125,958.66/173,810.10 = 77,552.91/x
  3. Step 3: Cross multiply
    125,958.66x = 173,810.10 × 77,552.91
  4. Step 4: Simplify right side
    125,958.66x = 13,479,479,042.39
  5. Step 5: Solve for x
    x = 13,479,479,042.39/125,958.66
  6. Step 6: Final answer
    x = 107,015.10

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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.