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Finding the Fourth Proportional to 127,183, 175,512.54 and 70,593.16

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Solution

The fourth proportional to 127,183, 175,512.54 and 70,593.16 is: 97,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,183 : 175,512.54 = 70,593.16 : x
  2. Step 2: Convert to fraction form
    127,183/175,512.54 = 70,593.16/x
  3. Step 3: Cross multiply
    127,183x = 175,512.54 × 70,593.16
  4. Step 4: Simplify right side
    127,183x = 12,389,984,818.23
  5. Step 5: Solve for x
    x = 12,389,984,818.23/127,183
  6. Step 6: Final answer
    x = 97,418.56

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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.