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Finding the Fourth Proportional to 173,802.60, 260,243.10 and 136,938.60

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Solution

The fourth proportional to 173,802.60, 260,243.10 and 136,938.60 is: 205,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,802.60 : 260,243.10 = 136,938.60 : x
  2. Step 2: Convert to fraction form
    173,802.60/260,243.10 = 136,938.60/x
  3. Step 3: Cross multiply
    173,802.60x = 260,243.10 × 136,938.60
  4. Step 4: Simplify right side
    173,802.60x = 35,637,325,773.66
  5. Step 5: Solve for x
    x = 35,637,325,773.66/173,802.60
  6. Step 6: Final answer
    x = 205,044.84

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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.