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Finding the Fourth Proportional to 186,500.40, 279,833.28 and 97,732.80

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Solution

The fourth proportional to 186,500.40, 279,833.28 and 97,732.80 is: 146,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,500.40 : 279,833.28 = 97,732.80 : x
  2. Step 2: Convert to fraction form
    186,500.40/279,833.28 = 97,732.80/x
  3. Step 3: Cross multiply
    186,500.40x = 279,833.28 × 97,732.80
  4. Step 4: Simplify right side
    186,500.40x = 27,348,889,987.58
  5. Step 5: Solve for x
    x = 27,348,889,987.58/186,500.40
  6. Step 6: Final answer
    x = 146,642.53

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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.