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Finding the Fourth Proportional to 186,103.80, 279,414.90 and 116,119.80

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Solution

The fourth proportional to 186,103.80, 279,414.90 and 116,119.80 is: 174,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,103.80 : 279,414.90 = 116,119.80 : x
  2. Step 2: Convert to fraction form
    186,103.80/279,414.90 = 116,119.80/x
  3. Step 3: Cross multiply
    186,103.80x = 279,414.90 × 116,119.80
  4. Step 4: Simplify right side
    186,103.80x = 32,445,602,305.02
  5. Step 5: Solve for x
    x = 32,445,602,305.02/186,103.80
  6. Step 6: Final answer
    x = 174,341.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.