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Finding the Fourth Proportional to 186,167.28, 256,899.98 and 104,487.94

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Solution

The fourth proportional to 186,167.28, 256,899.98 and 104,487.94 is: 144,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,167.28 : 256,899.98 = 104,487.94 : x
  2. Step 2: Convert to fraction form
    186,167.28/256,899.98 = 104,487.94/x
  3. Step 3: Cross multiply
    186,167.28x = 256,899.98 × 104,487.94
  4. Step 4: Simplify right side
    186,167.28x = 26,842,950,730.32
  5. Step 5: Solve for x
    x = 26,842,950,730.32/186,167.28
  6. Step 6: Final answer
    x = 144,187.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.