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Finding the Fourth Proportional to 115,396.52, 159,247.32 and 63,713.72

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Solution

The fourth proportional to 115,396.52, 159,247.32 and 63,713.72 is: 87,925.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,396.52 : 159,247.32 = 63,713.72 : x
  2. Step 2: Convert to fraction form
    115,396.52/159,247.32 = 63,713.72/x
  3. Step 3: Cross multiply
    115,396.52x = 159,247.32 × 63,713.72
  4. Step 4: Simplify right side
    115,396.52x = 10,146,239,157.23
  5. Step 5: Solve for x
    x = 10,146,239,157.23/115,396.52
  6. Step 6: Final answer
    x = 87,925.00

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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.