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Finding the Fourth Proportional to 186,673.04, 279,983.34 and 53,564.64

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Solution

The fourth proportional to 186,673.04, 279,983.34 and 53,564.64 is: 80,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,673.04 : 279,983.34 = 53,564.64 : x
  2. Step 2: Convert to fraction form
    186,673.04/279,983.34 = 53,564.64/x
  3. Step 3: Cross multiply
    186,673.04x = 279,983.34 × 53,564.64
  4. Step 4: Simplify right side
    186,673.04x = 14,997,206,813.10
  5. Step 5: Solve for x
    x = 14,997,206,813.10/186,673.04
  6. Step 6: Final answer
    x = 80,339.44

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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.