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Finding the Fourth Proportional to 186,202.34, 256,985.81 and 104,539.22

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Solution

The fourth proportional to 186,202.34, 256,985.81 and 104,539.22 is: 144,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,202.34 : 256,985.81 = 104,539.22 : x
  2. Step 2: Convert to fraction form
    186,202.34/256,985.81 = 104,539.22/x
  3. Step 3: Cross multiply
    186,202.34x = 256,985.81 × 104,539.22
  4. Step 4: Simplify right side
    186,202.34x = 26,865,096,128.47
  5. Step 5: Solve for x
    x = 26,865,096,128.47/186,202.34
  6. Step 6: Final answer
    x = 144,279.05

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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.