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Finding the Fourth Proportional to 186,681.10, 279,985.20 and 62,022.10

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Solution

The fourth proportional to 186,681.10, 279,985.20 and 62,022.10 is: 93,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,681.10 : 279,985.20 = 62,022.10 : x
  2. Step 2: Convert to fraction form
    186,681.10/279,985.20 = 62,022.10/x
  3. Step 3: Cross multiply
    186,681.10x = 279,985.20 × 62,022.10
  4. Step 4: Simplify right side
    186,681.10x = 17,365,270,072.92
  5. Step 5: Solve for x
    x = 17,365,270,072.92/186,681.10
  6. Step 6: Final answer
    x = 93,021.04

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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.