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Finding the Fourth Proportional to 175,271.80, 262,302.90 and 105,201.40

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Solution

The fourth proportional to 175,271.80, 262,302.90 and 105,201.40 is: 157,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,271.80 : 262,302.90 = 105,201.40 : x
  2. Step 2: Convert to fraction form
    175,271.80/262,302.90 = 105,201.40/x
  3. Step 3: Cross multiply
    175,271.80x = 262,302.90 × 105,201.40
  4. Step 4: Simplify right side
    175,271.80x = 27,594,632,304.06
  5. Step 5: Solve for x
    x = 27,594,632,304.06/175,271.80
  6. Step 6: Final answer
    x = 157,439.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.