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Finding the Fourth Proportional to 251,127.92, 346,556.76 and 137,957.96

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Solution

The fourth proportional to 251,127.92, 346,556.76 and 137,957.96 is: 190,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,127.92 : 346,556.76 = 137,957.96 : x
  2. Step 2: Convert to fraction form
    251,127.92/346,556.76 = 137,957.96/x
  3. Step 3: Cross multiply
    251,127.92x = 346,556.76 × 137,957.96
  4. Step 4: Simplify right side
    251,127.92x = 47,810,263,633.81
  5. Step 5: Solve for x
    x = 47,810,263,633.81/251,127.92
  6. Step 6: Final answer
    x = 190,382.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.