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Finding the Fourth Proportional to 114,323.72, 171,508.62 and 40,503.56

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Solution

The fourth proportional to 114,323.72, 171,508.62 and 40,503.56 is: 60,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,323.72 : 171,508.62 = 40,503.56 : x
  2. Step 2: Convert to fraction form
    114,323.72/171,508.62 = 40,503.56/x
  3. Step 3: Cross multiply
    114,323.72x = 171,508.62 × 40,503.56
  4. Step 4: Simplify right side
    114,323.72x = 6,946,709,680.69
  5. Step 5: Solve for x
    x = 6,946,709,680.69/114,323.72
  6. Step 6: Final answer
    x = 60,763.50

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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.