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Finding the Fourth Proportional to 185,980.72, 256,660.24 and 101,104.08

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Solution

The fourth proportional to 185,980.72, 256,660.24 and 101,104.08 is: 139,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,980.72 : 256,660.24 = 101,104.08 : x
  2. Step 2: Convert to fraction form
    185,980.72/256,660.24 = 101,104.08/x
  3. Step 3: Cross multiply
    185,980.72x = 256,660.24 × 101,104.08
  4. Step 4: Simplify right side
    185,980.72x = 25,949,397,437.78
  5. Step 5: Solve for x
    x = 25,949,397,437.78/185,980.72
  6. Step 6: Final answer
    x = 139,527.35

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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.