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Finding the Fourth Proportional to 112,195.33, 154,829.54 and 64,448.66

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Solution

The fourth proportional to 112,195.33, 154,829.54 and 64,448.66 is: 88,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,195.33 : 154,829.54 = 64,448.66 : x
  2. Step 2: Convert to fraction form
    112,195.33/154,829.54 = 64,448.66/x
  3. Step 3: Cross multiply
    112,195.33x = 154,829.54 × 64,448.66
  4. Step 4: Simplify right side
    112,195.33x = 9,978,556,929.61
  5. Step 5: Solve for x
    x = 9,978,556,929.61/112,195.33
  6. Step 6: Final answer
    x = 88,939.15

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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.