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Finding the Fourth Proportional to 186,221.07, 279,348.07 and 53,098.47

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Solution

The fourth proportional to 186,221.07, 279,348.07 and 53,098.47 is: 79,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,221.07 : 279,348.07 = 53,098.47 : x
  2. Step 2: Convert to fraction form
    186,221.07/279,348.07 = 53,098.47/x
  3. Step 3: Cross multiply
    186,221.07x = 279,348.07 × 53,098.47
  4. Step 4: Simplify right side
    186,221.07x = 14,832,955,114.45
  5. Step 5: Solve for x
    x = 14,832,955,114.45/186,221.07
  6. Step 6: Final answer
    x = 79,652.40

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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.