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Finding the Fourth Proportional to 185,758.70, 256,425.47 and 125,411.08

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Solution

The fourth proportional to 185,758.70, 256,425.47 and 125,411.08 is: 173,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,758.70 : 256,425.47 = 125,411.08 : x
  2. Step 2: Convert to fraction form
    185,758.70/256,425.47 = 125,411.08/x
  3. Step 3: Cross multiply
    185,758.70x = 256,425.47 × 125,411.08
  4. Step 4: Simplify right side
    185,758.70x = 32,158,595,492.47
  5. Step 5: Solve for x
    x = 32,158,595,492.47/185,758.70
  6. Step 6: Final answer
    x = 173,120.27

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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.