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Finding the Fourth Proportional to 186,802.18, 280,104.24 and 81,498.12

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Solution

The fourth proportional to 186,802.18, 280,104.24 and 81,498.12 is: 122,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,802.18 : 280,104.24 = 81,498.12 : x
  2. Step 2: Convert to fraction form
    186,802.18/280,104.24 = 81,498.12/x
  3. Step 3: Cross multiply
    186,802.18x = 280,104.24 × 81,498.12
  4. Step 4: Simplify right side
    186,802.18x = 22,827,968,964.03
  5. Step 5: Solve for x
    x = 22,827,968,964.03/186,802.18
  6. Step 6: Final answer
    x = 122,203.98

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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.