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Finding the Fourth Proportional to 173,674.80, 260,512.20 and 117,541.80

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Solution

The fourth proportional to 173,674.80, 260,512.20 and 117,541.80 is: 176,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,674.80 : 260,512.20 = 117,541.80 : x
  2. Step 2: Convert to fraction form
    173,674.80/260,512.20 = 117,541.80/x
  3. Step 3: Cross multiply
    173,674.80x = 260,512.20 × 117,541.80
  4. Step 4: Simplify right side
    173,674.80x = 30,621,072,909.96
  5. Step 5: Solve for x
    x = 30,621,072,909.96/173,674.80
  6. Step 6: Final answer
    x = 176,312.70

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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.