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Finding the Fourth Proportional to 172,363.84, 237,859.81 and 96,912.34

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Solution

The fourth proportional to 172,363.84, 237,859.81 and 96,912.34 is: 133,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,363.84 : 237,859.81 = 96,912.34 : x
  2. Step 2: Convert to fraction form
    172,363.84/237,859.81 = 96,912.34/x
  3. Step 3: Cross multiply
    172,363.84x = 237,859.81 × 96,912.34
  4. Step 4: Simplify right side
    172,363.84x = 23,051,550,779.06
  5. Step 5: Solve for x
    x = 23,051,550,779.06/172,363.84
  6. Step 6: Final answer
    x = 133,737.74

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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.