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Finding the Fourth Proportional to 186,284, 279,452.28 and 59,881.88

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Solution

The fourth proportional to 186,284, 279,452.28 and 59,881.88 is: 89,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,284 : 279,452.28 = 59,881.88 : x
  2. Step 2: Convert to fraction form
    186,284/279,452.28 = 59,881.88/x
  3. Step 3: Cross multiply
    186,284x = 279,452.28 × 59,881.88
  4. Step 4: Simplify right side
    186,284x = 16,734,127,896.69
  5. Step 5: Solve for x
    x = 16,734,127,896.69/186,284
  6. Step 6: Final answer
    x = 89,831.27

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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.