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Finding the Fourth Proportional to 185,370.32, 255,720.84 and 109,865.36

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Solution

The fourth proportional to 185,370.32, 255,720.84 and 109,865.36 is: 151,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,370.32 : 255,720.84 = 109,865.36 : x
  2. Step 2: Convert to fraction form
    185,370.32/255,720.84 = 109,865.36/x
  3. Step 3: Cross multiply
    185,370.32x = 255,720.84 × 109,865.36
  4. Step 4: Simplify right side
    185,370.32x = 28,094,862,146.10
  5. Step 5: Solve for x
    x = 28,094,862,146.10/185,370.32
  6. Step 6: Final answer
    x = 151,560.74

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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.