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Finding the Fourth Proportional to 174,887.20, 262,330.80 and 155,204.20

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Solution

The fourth proportional to 174,887.20, 262,330.80 and 155,204.20 is: 232,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,887.20 : 262,330.80 = 155,204.20 : x
  2. Step 2: Convert to fraction form
    174,887.20/262,330.80 = 155,204.20/x
  3. Step 3: Cross multiply
    174,887.20x = 262,330.80 × 155,204.20
  4. Step 4: Simplify right side
    174,887.20x = 40,714,841,949.36
  5. Step 5: Solve for x
    x = 40,714,841,949.36/174,887.20
  6. Step 6: Final answer
    x = 232,806.30

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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.