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Finding the Fourth Proportional to 173,790.84, 239,851.50 and 105,847.68

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Solution

The fourth proportional to 173,790.84, 239,851.50 and 105,847.68 is: 146,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,790.84 : 239,851.50 = 105,847.68 : x
  2. Step 2: Convert to fraction form
    173,790.84/239,851.50 = 105,847.68/x
  3. Step 3: Cross multiply
    173,790.84x = 239,851.50 × 105,847.68
  4. Step 4: Simplify right side
    173,790.84x = 25,387,724,819.52
  5. Step 5: Solve for x
    x = 25,387,724,819.52/173,790.84
  6. Step 6: Final answer
    x = 146,082.07

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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.