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Finding the Fourth Proportional to 125,596.48, 188,354.40 and 55,474.24

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Solution

The fourth proportional to 125,596.48, 188,354.40 and 55,474.24 is: 83,193.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,596.48 : 188,354.40 = 55,474.24 : x
  2. Step 2: Convert to fraction form
    125,596.48/188,354.40 = 55,474.24/x
  3. Step 3: Cross multiply
    125,596.48x = 188,354.40 × 55,474.24
  4. Step 4: Simplify right side
    125,596.48x = 10,448,817,190.66
  5. Step 5: Solve for x
    x = 10,448,817,190.66/125,596.48
  6. Step 6: Final answer
    x = 83,193.55

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1.5x scale

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.