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Finding the Fourth Proportional to 175,271.60, 262,810.20 and 69,971.60

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Solution

The fourth proportional to 175,271.60, 262,810.20 and 69,971.60 is: 104,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,271.60 : 262,810.20 = 69,971.60 : x
  2. Step 2: Convert to fraction form
    175,271.60/262,810.20 = 69,971.60/x
  3. Step 3: Cross multiply
    175,271.60x = 262,810.20 × 69,971.60
  4. Step 4: Simplify right side
    175,271.60x = 18,389,250,190.32
  5. Step 5: Solve for x
    x = 18,389,250,190.32/175,271.60
  6. Step 6: Final answer
    x = 104,918.60

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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.