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Finding the Fourth Proportional to 173,900.55, 260,850.83 and 155,201.70

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Solution

The fourth proportional to 173,900.55, 260,850.83 and 155,201.70 is: 232,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,900.55 : 260,850.83 = 155,201.70 : x
  2. Step 2: Convert to fraction form
    173,900.55/260,850.83 = 155,201.70/x
  3. Step 3: Cross multiply
    173,900.55x = 260,850.83 × 155,201.70
  4. Step 4: Simplify right side
    173,900.55x = 40,484,492,262.41
  5. Step 5: Solve for x
    x = 40,484,492,262.41/173,900.55
  6. Step 6: Final answer
    x = 232,802.55

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1.5x scale

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.