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Finding the Fourth Proportional to 181,556.60, 272,237.70 and 76,256.60

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Solution

The fourth proportional to 181,556.60, 272,237.70 and 76,256.60 is: 114,344.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,556.60 : 272,237.70 = 76,256.60 : x
  2. Step 2: Convert to fraction form
    181,556.60/272,237.70 = 76,256.60/x
  3. Step 3: Cross multiply
    181,556.60x = 272,237.70 × 76,256.60
  4. Step 4: Simplify right side
    181,556.60x = 20,759,921,393.82
  5. Step 5: Solve for x
    x = 20,759,921,393.82/181,556.60
  6. Step 6: Final answer
    x = 114,344.07

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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.