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Finding the Fourth Proportional to 125,656.87, 188,485.18 and 32,162.47

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Solution

The fourth proportional to 125,656.87, 188,485.18 and 32,162.47 is: 48,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,656.87 : 188,485.18 = 32,162.47 : x
  2. Step 2: Convert to fraction form
    125,656.87/188,485.18 = 32,162.47/x
  3. Step 3: Cross multiply
    125,656.87x = 188,485.18 × 32,162.47
  4. Step 4: Simplify right side
    125,656.87x = 6,062,148,947.19
  5. Step 5: Solve for x
    x = 6,062,148,947.19/125,656.87
  6. Step 6: Final answer
    x = 48,243.67

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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.