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Finding the Fourth Proportional to 186,550.94, 257,481.86 and 118,554.66

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Solution

The fourth proportional to 186,550.94, 257,481.86 and 118,554.66 is: 163,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,550.94 : 257,481.86 = 118,554.66 : x
  2. Step 2: Convert to fraction form
    186,550.94/257,481.86 = 118,554.66/x
  3. Step 3: Cross multiply
    186,550.94x = 257,481.86 × 118,554.66
  4. Step 4: Simplify right side
    186,550.94x = 30,525,673,775.69
  5. Step 5: Solve for x
    x = 30,525,673,775.69/186,550.94
  6. Step 6: Final answer
    x = 163,631.84

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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.