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Finding the Fourth Proportional to 170,358.94, 235,100.19 and 94,912.30

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Solution

The fourth proportional to 170,358.94, 235,100.19 and 94,912.30 is: 130,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,358.94 : 235,100.19 = 94,912.30 : x
  2. Step 2: Convert to fraction form
    170,358.94/235,100.19 = 94,912.30/x
  3. Step 3: Cross multiply
    170,358.94x = 235,100.19 × 94,912.30
  4. Step 4: Simplify right side
    170,358.94x = 22,313,899,531.51
  5. Step 5: Solve for x
    x = 22,313,899,531.51/170,358.94
  6. Step 6: Final answer
    x = 130,981.68

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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.