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Finding the Fourth Proportional to 186,548.70, 257,478.75 and 118,552.41

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Solution

The fourth proportional to 186,548.70, 257,478.75 and 118,552.41 is: 163,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,548.70 : 257,478.75 = 118,552.41 : x
  2. Step 2: Convert to fraction form
    186,548.70/257,478.75 = 118,552.41/x
  3. Step 3: Cross multiply
    186,548.70x = 257,478.75 × 118,552.41
  4. Step 4: Simplify right side
    186,548.70x = 30,524,726,336.29
  5. Step 5: Solve for x
    x = 30,524,726,336.29/186,548.70
  6. Step 6: Final answer
    x = 163,628.73

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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.