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Finding the Fourth Proportional to 170,810.48, 256,216.20 and 100,593.20

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Solution

The fourth proportional to 170,810.48, 256,216.20 and 100,593.20 is: 150,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,810.48 : 256,216.20 = 100,593.20 : x
  2. Step 2: Convert to fraction form
    170,810.48/256,216.20 = 100,593.20/x
  3. Step 3: Cross multiply
    170,810.48x = 256,216.20 × 100,593.20
  4. Step 4: Simplify right side
    170,810.48x = 25,773,607,449.84
  5. Step 5: Solve for x
    x = 25,773,607,449.84/170,810.48
  6. Step 6: Final answer
    x = 150,890.08

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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.