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Finding the Fourth Proportional to 114,052.32, 157,399.20 and 63,751.32

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Solution

The fourth proportional to 114,052.32, 157,399.20 and 63,751.32 is: 87,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,052.32 : 157,399.20 = 63,751.32 : x
  2. Step 2: Convert to fraction form
    114,052.32/157,399.20 = 63,751.32/x
  3. Step 3: Cross multiply
    114,052.32x = 157,399.20 × 63,751.32
  4. Step 4: Simplify right side
    114,052.32x = 10,034,406,766.94
  5. Step 5: Solve for x
    x = 10,034,406,766.94/114,052.32
  6. Step 6: Final answer
    x = 87,980.73

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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.