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Finding the Fourth Proportional to 186,201.08, 279,259.54 and 53,078.48

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Solution

The fourth proportional to 186,201.08, 279,259.54 and 53,078.48 is: 79,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,201.08 : 279,259.54 = 53,078.48 : x
  2. Step 2: Convert to fraction form
    186,201.08/279,259.54 = 53,078.48/x
  3. Step 3: Cross multiply
    186,201.08x = 279,259.54 × 53,078.48
  4. Step 4: Simplify right side
    186,201.08x = 14,822,671,908.70
  5. Step 5: Solve for x
    x = 14,822,671,908.70/186,201.08
  6. Step 6: Final answer
    x = 79,605.72

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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.