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Finding the Fourth Proportional to 173,812.60, 260,816.10 and 73,955.80

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Solution

The fourth proportional to 173,812.60, 260,816.10 and 73,955.80 is: 110,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,812.60 : 260,816.10 = 73,955.80 : x
  2. Step 2: Convert to fraction form
    173,812.60/260,816.10 = 73,955.80/x
  3. Step 3: Cross multiply
    173,812.60x = 260,816.10 × 73,955.80
  4. Step 4: Simplify right side
    173,812.60x = 19,288,863,328.38
  5. Step 5: Solve for x
    x = 19,288,863,328.38/173,812.60
  6. Step 6: Final answer
    x = 110,975.06

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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.