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Finding the Fourth Proportional to 186,144.53, 279,104.15 and 83,542.93

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Solution

The fourth proportional to 186,144.53, 279,104.15 and 83,542.93 is: 125,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,144.53 : 279,104.15 = 83,542.93 : x
  2. Step 2: Convert to fraction form
    186,144.53/279,104.15 = 83,542.93/x
  3. Step 3: Cross multiply
    186,144.53x = 279,104.15 × 83,542.93
  4. Step 4: Simplify right side
    186,144.53x = 23,317,177,977.26
  5. Step 5: Solve for x
    x = 23,317,177,977.26/186,144.53
  6. Step 6: Final answer
    x = 125,263.84

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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.