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Finding the Fourth Proportional to 173,939.70, 260,905.46 and 55,612.07

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Solution

The fourth proportional to 173,939.70, 260,905.46 and 55,612.07 is: 83,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,939.70 : 260,905.46 = 55,612.07 : x
  2. Step 2: Convert to fraction form
    173,939.70/260,905.46 = 55,612.07/x
  3. Step 3: Cross multiply
    173,939.70x = 260,905.46 × 55,612.07
  4. Step 4: Simplify right side
    173,939.70x = 14,509,492,100.71
  5. Step 5: Solve for x
    x = 14,509,492,100.71/173,939.70
  6. Step 6: Final answer
    x = 83,416.79

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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.