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Finding the Fourth Proportional to 114,925.40, 158,593.86 and 69,630.20

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Solution

The fourth proportional to 114,925.40, 158,593.86 and 69,630.20 is: 96,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,925.40 : 158,593.86 = 69,630.20 : x
  2. Step 2: Convert to fraction form
    114,925.40/158,593.86 = 69,630.20/x
  3. Step 3: Cross multiply
    114,925.40x = 158,593.86 × 69,630.20
  4. Step 4: Simplify right side
    114,925.40x = 11,042,922,190.57
  5. Step 5: Solve for x
    x = 11,042,922,190.57/114,925.40
  6. Step 6: Final answer
    x = 96,087.74

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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.