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Finding the Fourth Proportional to 173,622.72, 239,512.80 and 116,935.68

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Solution

The fourth proportional to 173,622.72, 239,512.80 and 116,935.68 is: 161,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,622.72 : 239,512.80 = 116,935.68 : x
  2. Step 2: Convert to fraction form
    173,622.72/239,512.80 = 116,935.68/x
  3. Step 3: Cross multiply
    173,622.72x = 239,512.80 × 116,935.68
  4. Step 4: Simplify right side
    173,622.72x = 28,007,592,136.70
  5. Step 5: Solve for x
    x = 28,007,592,136.70/173,622.72
  6. Step 6: Final answer
    x = 161,312.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.