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Finding the Fourth Proportional to 125,832.48, 188,476.48 and 59,172.72

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Solution

The fourth proportional to 125,832.48, 188,476.48 and 59,172.72 is: 88,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,832.48 : 188,476.48 = 59,172.72 : x
  2. Step 2: Convert to fraction form
    125,832.48/188,476.48 = 59,172.72/x
  3. Step 3: Cross multiply
    125,832.48x = 188,476.48 × 59,172.72
  4. Step 4: Simplify right side
    125,832.48x = 11,152,665,977.63
  5. Step 5: Solve for x
    x = 11,152,665,977.63/125,832.48
  6. Step 6: Final answer
    x = 88,631.06

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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.