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Finding the Fourth Proportional to 118,523.70, 163,549.28 and 70,127.10

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Solution

The fourth proportional to 118,523.70, 163,549.28 and 70,127.10 is: 96,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,523.70 : 163,549.28 = 70,127.10 : x
  2. Step 2: Convert to fraction form
    118,523.70/163,549.28 = 70,127.10/x
  3. Step 3: Cross multiply
    118,523.70x = 163,549.28 × 70,127.10
  4. Step 4: Simplify right side
    118,523.70x = 11,469,236,713.49
  5. Step 5: Solve for x
    x = 11,469,236,713.49/118,523.70
  6. Step 6: Final answer
    x = 96,767.45

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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.