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Finding the Fourth Proportional to 125,861.04, 188,679.24 and 46,978.92

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Solution

The fourth proportional to 125,861.04, 188,679.24 and 46,978.92 is: 70,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,861.04 : 188,679.24 = 46,978.92 : x
  2. Step 2: Convert to fraction form
    125,861.04/188,679.24 = 46,978.92/x
  3. Step 3: Cross multiply
    125,861.04x = 188,679.24 × 46,978.92
  4. Step 4: Simplify right side
    125,861.04x = 8,863,946,921.62
  5. Step 5: Solve for x
    x = 8,863,946,921.62/125,861.04
  6. Step 6: Final answer
    x = 70,426.46

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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.