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Finding the Fourth Proportional to 125,907.40, 188,870.82 and 37,158.94

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Solution

The fourth proportional to 125,907.40, 188,870.82 and 37,158.94 is: 55,741.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,907.40 : 188,870.82 = 37,158.94 : x
  2. Step 2: Convert to fraction form
    125,907.40/188,870.82 = 37,158.94/x
  3. Step 3: Cross multiply
    125,907.40x = 188,870.82 × 37,158.94
  4. Step 4: Simplify right side
    125,907.40x = 7,018,239,468.13
  5. Step 5: Solve for x
    x = 7,018,239,468.13/125,907.40
  6. Step 6: Final answer
    x = 55,741.28

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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.