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Finding the Fourth Proportional to 186,281.02, 279,421.62 and 61,622.02

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Solution

The fourth proportional to 186,281.02, 279,421.62 and 61,622.02 is: 92,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,281.02 : 279,421.62 = 61,622.02 : x
  2. Step 2: Convert to fraction form
    186,281.02/279,421.62 = 61,622.02/x
  3. Step 3: Cross multiply
    186,281.02x = 279,421.62 × 61,622.02
  4. Step 4: Simplify right side
    186,281.02x = 17,218,524,656.07
  5. Step 5: Solve for x
    x = 17,218,524,656.07/186,281.02
  6. Step 6: Final answer
    x = 92,433.06

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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.