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Finding the Fourth Proportional to 241,409.32, 333,139.86 and 133,978.60

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Solution

The fourth proportional to 241,409.32, 333,139.86 and 133,978.60 is: 184,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,409.32 : 333,139.86 = 133,978.60 : x
  2. Step 2: Convert to fraction form
    241,409.32/333,139.86 = 133,978.60/x
  3. Step 3: Cross multiply
    241,409.32x = 333,139.86 × 133,978.60
  4. Step 4: Simplify right side
    241,409.32x = 44,633,612,047.00
  5. Step 5: Solve for x
    x = 44,633,612,047.00/241,409.32
  6. Step 6: Final answer
    x = 184,887.69

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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.