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Finding the Fourth Proportional to 235,386.01, 324,825.86 and 133,420.86

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Solution

The fourth proportional to 235,386.01, 324,825.86 and 133,420.86 is: 184,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,386.01 : 324,825.86 = 133,420.86 : x
  2. Step 2: Convert to fraction form
    235,386.01/324,825.86 = 133,420.86/x
  3. Step 3: Cross multiply
    235,386.01x = 324,825.86 × 133,420.86
  4. Step 4: Simplify right side
    235,386.01x = 43,338,545,591.44
  5. Step 5: Solve for x
    x = 43,338,545,591.44/235,386.01
  6. Step 6: Final answer
    x = 184,116.91

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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.