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Finding the Fourth Proportional to 114,307.92, 171,572.76 and 55,185.12

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Solution

The fourth proportional to 114,307.92, 171,572.76 and 55,185.12 is: 82,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,307.92 : 171,572.76 = 55,185.12 : x
  2. Step 2: Convert to fraction form
    114,307.92/171,572.76 = 55,185.12/x
  3. Step 3: Cross multiply
    114,307.92x = 171,572.76 × 55,185.12
  4. Step 4: Simplify right side
    114,307.92x = 9,468,263,349.33
  5. Step 5: Solve for x
    x = 9,468,263,349.33/114,307.92
  6. Step 6: Final answer
    x = 82,831.21

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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.