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Finding the Fourth Proportional to 170,393.04, 234,988.92 and 106,736.40

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Solution

The fourth proportional to 170,393.04, 234,988.92 and 106,736.40 is: 147,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,393.04 : 234,988.92 = 106,736.40 : x
  2. Step 2: Convert to fraction form
    170,393.04/234,988.92 = 106,736.40/x
  3. Step 3: Cross multiply
    170,393.04x = 234,988.92 × 106,736.40
  4. Step 4: Simplify right side
    170,393.04x = 25,081,871,360.69
  5. Step 5: Solve for x
    x = 25,081,871,360.69/170,393.04
  6. Step 6: Final answer
    x = 147,200.09

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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.