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Finding the Fourth Proportional to 114,571.17, 171,815.74 and 39,671.20

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Solution

The fourth proportional to 114,571.17, 171,815.74 and 39,671.20 is: 59,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,571.17 : 171,815.74 = 39,671.20 : x
  2. Step 2: Convert to fraction form
    114,571.17/171,815.74 = 39,671.20/x
  3. Step 3: Cross multiply
    114,571.17x = 171,815.74 × 39,671.20
  4. Step 4: Simplify right side
    114,571.17x = 6,816,136,683.87
  5. Step 5: Solve for x
    x = 6,816,136,683.87/114,571.17
  6. Step 6: Final answer
    x = 59,492.60

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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.