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Finding the Fourth Proportional to 125,412.66, 188,180.51 and 58,858.20

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Solution

The fourth proportional to 125,412.66, 188,180.51 and 58,858.20 is: 88,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412.66 : 188,180.51 = 58,858.20 : x
  2. Step 2: Convert to fraction form
    125,412.66/188,180.51 = 58,858.20/x
  3. Step 3: Cross multiply
    125,412.66x = 188,180.51 × 58,858.20
  4. Step 4: Simplify right side
    125,412.66x = 11,075,965,799.39
  5. Step 5: Solve for x
    x = 11,075,965,799.39/125,412.66
  6. Step 6: Final answer
    x = 88,316.17

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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.