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Finding the Fourth Proportional to 115,610.56, 159,524.02 and 70,264.32

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Solution

The fourth proportional to 115,610.56, 159,524.02 and 70,264.32 is: 96,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,610.56 : 159,524.02 = 70,264.32 : x
  2. Step 2: Convert to fraction form
    115,610.56/159,524.02 = 70,264.32/x
  3. Step 3: Cross multiply
    115,610.56x = 159,524.02 × 70,264.32
  4. Step 4: Simplify right side
    115,610.56x = 11,208,846,788.97
  5. Step 5: Solve for x
    x = 11,208,846,788.97/115,610.56
  6. Step 6: Final answer
    x = 96,953.49

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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.