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Finding the Fourth Proportional to 173,900.80, 260,851.20 and 155,201.95

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Solution

The fourth proportional to 173,900.80, 260,851.20 and 155,201.95 is: 232,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,900.80 : 260,851.20 = 155,201.95 : x
  2. Step 2: Convert to fraction form
    173,900.80/260,851.20 = 155,201.95/x
  3. Step 3: Cross multiply
    173,900.80x = 260,851.20 × 155,201.95
  4. Step 4: Simplify right side
    173,900.80x = 40,484,614,899.84
  5. Step 5: Solve for x
    x = 40,484,614,899.84/173,900.80
  6. Step 6: Final answer
    x = 232,802.93

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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.