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Finding the Fourth Proportional to 185,762.01, 256,349.28 and 100,879.68

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Solution

The fourth proportional to 185,762.01, 256,349.28 and 100,879.68 is: 139,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,762.01 : 256,349.28 = 100,879.68 : x
  2. Step 2: Convert to fraction form
    185,762.01/256,349.28 = 100,879.68/x
  3. Step 3: Cross multiply
    185,762.01x = 256,349.28 × 100,879.68
  4. Step 4: Simplify right side
    185,762.01x = 25,860,433,334.63
  5. Step 5: Solve for x
    x = 25,860,433,334.63/185,762.01
  6. Step 6: Final answer
    x = 139,212.71

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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.