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Finding the Fourth Proportional to 114,137.50, 157,521.54 and 65,741.04

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Solution

The fourth proportional to 114,137.50, 157,521.54 and 65,741.04 is: 90,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,137.50 : 157,521.54 = 65,741.04 : x
  2. Step 2: Convert to fraction form
    114,137.50/157,521.54 = 65,741.04/x
  3. Step 3: Cross multiply
    114,137.50x = 157,521.54 × 65,741.04
  4. Step 4: Simplify right side
    114,137.50x = 10,355,629,862.00
  5. Step 5: Solve for x
    x = 10,355,629,862.00/114,137.50
  6. Step 6: Final answer
    x = 90,729.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.