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Finding the Fourth Proportional to 128,051.01, 192,076.56 and 34,556.76

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Solution

The fourth proportional to 128,051.01, 192,076.56 and 34,556.76 is: 51,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,051.01 : 192,076.56 = 34,556.76 : x
  2. Step 2: Convert to fraction form
    128,051.01/192,076.56 = 34,556.76/x
  3. Step 3: Cross multiply
    128,051.01x = 192,076.56 × 34,556.76
  4. Step 4: Simplify right side
    128,051.01x = 6,637,543,585.55
  5. Step 5: Solve for x
    x = 6,637,543,585.55/128,051.01
  6. Step 6: Final answer
    x = 51,835.15

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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.