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Finding the Fourth Proportional to 186,884.73, 257,930.46 and 118,830.76

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Solution

The fourth proportional to 186,884.73, 257,930.46 and 118,830.76 is: 164,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,884.73 : 257,930.46 = 118,830.76 : x
  2. Step 2: Convert to fraction form
    186,884.73/257,930.46 = 118,830.76/x
  3. Step 3: Cross multiply
    186,884.73x = 257,930.46 × 118,830.76
  4. Step 4: Simplify right side
    186,884.73x = 30,650,072,588.95
  5. Step 5: Solve for x
    x = 30,650,072,588.95/186,884.73
  6. Step 6: Final answer
    x = 164,005.23

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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.