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Finding the Fourth Proportional to 125,466.65, 188,207.30 and 35,501.84

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Solution

The fourth proportional to 125,466.65, 188,207.30 and 35,501.84 is: 53,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,466.65 : 188,207.30 = 35,501.84 : x
  2. Step 2: Convert to fraction form
    125,466.65/188,207.30 = 35,501.84/x
  3. Step 3: Cross multiply
    125,466.65x = 188,207.30 × 35,501.84
  4. Step 4: Simplify right side
    125,466.65x = 6,681,705,451.43
  5. Step 5: Solve for x
    x = 6,681,705,451.43/125,466.65
  6. Step 6: Final answer
    x = 53,254.83

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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.