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Finding the Fourth Proportional to 186,572.90, 279,918.54 and 66,627.24

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Solution

The fourth proportional to 186,572.90, 279,918.54 and 66,627.24 is: 99,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,572.90 : 279,918.54 = 66,627.24 : x
  2. Step 2: Convert to fraction form
    186,572.90/279,918.54 = 66,627.24/x
  3. Step 3: Cross multiply
    186,572.90x = 279,918.54 × 66,627.24
  4. Step 4: Simplify right side
    186,572.90x = 18,650,199,745.03
  5. Step 5: Solve for x
    x = 18,650,199,745.03/186,572.90
  6. Step 6: Final answer
    x = 99,962.00

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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.