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Finding the Fourth Proportional to 125,637.34, 188,476.53 and 36,893.74

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Solution

The fourth proportional to 125,637.34, 188,476.53 and 36,893.74 is: 55,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,637.34 : 188,476.53 = 36,893.74 : x
  2. Step 2: Convert to fraction form
    125,637.34/188,476.53 = 36,893.74/x
  3. Step 3: Cross multiply
    125,637.34x = 188,476.53 × 36,893.74
  4. Step 4: Simplify right side
    125,637.34x = 6,953,604,093.92
  5. Step 5: Solve for x
    x = 6,953,604,093.92/125,637.34
  6. Step 6: Final answer
    x = 55,346.64

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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.