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Finding the Fourth Proportional to 115,601.52, 159,508.44 and 73,130.16

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Solution

The fourth proportional to 115,601.52, 159,508.44 and 73,130.16 is: 100,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,601.52 : 159,508.44 = 73,130.16 : x
  2. Step 2: Convert to fraction form
    115,601.52/159,508.44 = 73,130.16/x
  3. Step 3: Cross multiply
    115,601.52x = 159,508.44 × 73,130.16
  4. Step 4: Simplify right side
    115,601.52x = 11,664,877,738.55
  5. Step 5: Solve for x
    x = 11,664,877,738.55/115,601.52
  6. Step 6: Final answer
    x = 100,905.92

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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.