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Finding the Fourth Proportional to 185,920.32, 256,571.72 and 101,037.40

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Solution

The fourth proportional to 185,920.32, 256,571.72 and 101,037.40 is: 139,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,920.32 : 256,571.72 = 101,037.40 : x
  2. Step 2: Convert to fraction form
    185,920.32/256,571.72 = 101,037.40/x
  3. Step 3: Cross multiply
    185,920.32x = 256,571.72 × 101,037.40
  4. Step 4: Simplify right side
    185,920.32x = 25,923,339,502.33
  5. Step 5: Solve for x
    x = 25,923,339,502.33/185,920.32
  6. Step 6: Final answer
    x = 139,432.52

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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.