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Finding the Fourth Proportional to 186,099.20, 279,036.42 and 83,497.80

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Solution

The fourth proportional to 186,099.20, 279,036.42 and 83,497.80 is: 125,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,099.20 : 279,036.42 = 83,497.80 : x
  2. Step 2: Convert to fraction form
    186,099.20/279,036.42 = 83,497.80/x
  3. Step 3: Cross multiply
    186,099.20x = 279,036.42 × 83,497.80
  4. Step 4: Simplify right side
    186,099.20x = 23,298,927,189.88
  5. Step 5: Solve for x
    x = 23,298,927,189.88/186,099.20
  6. Step 6: Final answer
    x = 125,196.28

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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.